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Finding the Fourth Proportional to 62,113.10, 85,723.79 and 35,264.30

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Solution

The fourth proportional to 62,113.10, 85,723.79 and 35,264.30 is: 48,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,113.10 : 85,723.79 = 35,264.30 : x
  2. Step 2: Convert to fraction form
    62,113.10/85,723.79 = 35,264.30/x
  3. Step 3: Cross multiply
    62,113.10x = 85,723.79 × 35,264.30
  4. Step 4: Simplify right side
    62,113.10x = 3,022,988,842.76
  5. Step 5: Solve for x
    x = 3,022,988,842.76/62,113.10
  6. Step 6: Final answer
    x = 48,669.11

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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.