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Finding the Fourth Proportional to 4,684.05, 7,026.08 and 1,908.99

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Solution

The fourth proportional to 4,684.05, 7,026.08 and 1,908.99 is: 2,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.05 : 7,026.08 = 1,908.99 : x
  2. Step 2: Convert to fraction form
    4,684.05/7,026.08 = 1,908.99/x
  3. Step 3: Cross multiply
    4,684.05x = 7,026.08 × 1,908.99
  4. Step 4: Simplify right side
    4,684.05x = 13,412,706.91
  5. Step 5: Solve for x
    x = 13,412,706.91/4,684.05
  6. Step 6: Final answer
    x = 2,863.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.