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Finding the Fourth Proportional to 7,681.84, 10,599.56 and 4,324.72

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Solution

The fourth proportional to 7,681.84, 10,599.56 and 4,324.72 is: 5,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.84 : 10,599.56 = 4,324.72 : x
  2. Step 2: Convert to fraction form
    7,681.84/10,599.56 = 4,324.72/x
  3. Step 3: Cross multiply
    7,681.84x = 10,599.56 × 4,324.72
  4. Step 4: Simplify right side
    7,681.84x = 45,840,129.12
  5. Step 5: Solve for x
    x = 45,840,129.12/7,681.84
  6. Step 6: Final answer
    x = 5,967.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.