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Finding the Fourth Proportional to 3,655.49, 5,484.05 and 1,706.63

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Solution

The fourth proportional to 3,655.49, 5,484.05 and 1,706.63 is: 2,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.49 : 5,484.05 = 1,706.63 : x
  2. Step 2: Convert to fraction form
    3,655.49/5,484.05 = 1,706.63/x
  3. Step 3: Cross multiply
    3,655.49x = 5,484.05 × 1,706.63
  4. Step 4: Simplify right side
    3,655.49x = 9,359,244.25
  5. Step 5: Solve for x
    x = 9,359,244.25/3,655.49
  6. Step 6: Final answer
    x = 2,560.33

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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.