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Finding the Fourth Proportional to 10,487.68, 15,733.68 and 3,562

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Solution

The fourth proportional to 10,487.68, 15,733.68 and 3,562 is: 5,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.68 : 15,733.68 = 3,562 : x
  2. Step 2: Convert to fraction form
    10,487.68/15,733.68 = 3,562/x
  3. Step 3: Cross multiply
    10,487.68x = 15,733.68 × 3,562
  4. Step 4: Simplify right side
    10,487.68x = 56,043,368.16
  5. Step 5: Solve for x
    x = 56,043,368.16/10,487.68
  6. Step 6: Final answer
    x = 5,343.73

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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.