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Finding the Fourth Proportional to 62,697.52, 86,522.34 and 34,403.68

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Solution

The fourth proportional to 62,697.52, 86,522.34 and 34,403.68 is: 47,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,697.52 : 86,522.34 = 34,403.68 : x
  2. Step 2: Convert to fraction form
    62,697.52/86,522.34 = 34,403.68/x
  3. Step 3: Cross multiply
    62,697.52x = 86,522.34 × 34,403.68
  4. Step 4: Simplify right side
    62,697.52x = 2,976,686,898.21
  5. Step 5: Solve for x
    x = 2,976,686,898.21/62,697.52
  6. Step 6: Final answer
    x = 47,476.95

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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.