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Finding the Fourth Proportional to 65,562.02, 90,462.03 and 38,332.86

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Solution

The fourth proportional to 65,562.02, 90,462.03 and 38,332.86 is: 52,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.02 : 90,462.03 = 38,332.86 : x
  2. Step 2: Convert to fraction form
    65,562.02/90,462.03 = 38,332.86/x
  3. Step 3: Cross multiply
    65,562.02x = 90,462.03 × 38,332.86
  4. Step 4: Simplify right side
    65,562.02x = 3,467,668,331.31
  5. Step 5: Solve for x
    x = 3,467,668,331.31/65,562.02
  6. Step 6: Final answer
    x = 52,891.42

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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.