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Finding the Fourth Proportional to 62,254.86, 85,930.11 and 43,398.06

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Solution

The fourth proportional to 62,254.86, 85,930.11 and 43,398.06 is: 59,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,254.86 : 85,930.11 = 43,398.06 : x
  2. Step 2: Convert to fraction form
    62,254.86/85,930.11 = 43,398.06/x
  3. Step 3: Cross multiply
    62,254.86x = 85,930.11 × 43,398.06
  4. Step 4: Simplify right side
    62,254.86x = 3,729,200,069.59
  5. Step 5: Solve for x
    x = 3,729,200,069.59/62,254.86
  6. Step 6: Final answer
    x = 59,902.15

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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.