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Finding the Fourth Proportional to 62,600.76, 86,393.73 and 38,741.31

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Solution

The fourth proportional to 62,600.76, 86,393.73 and 38,741.31 is: 53,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,600.76 : 86,393.73 = 38,741.31 : x
  2. Step 2: Convert to fraction form
    62,600.76/86,393.73 = 38,741.31/x
  3. Step 3: Cross multiply
    62,600.76x = 86,393.73 × 38,741.31
  4. Step 4: Simplify right side
    62,600.76x = 3,347,006,275.99
  5. Step 5: Solve for x
    x = 3,347,006,275.99/62,600.76
  6. Step 6: Final answer
    x = 53,465.90

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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.