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Finding the Fourth Proportional to 67,051.92, 92,550.27 and 38,387.64

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Solution

The fourth proportional to 67,051.92, 92,550.27 and 38,387.64 is: 52,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,051.92 : 92,550.27 = 38,387.64 : x
  2. Step 2: Convert to fraction form
    67,051.92/92,550.27 = 38,387.64/x
  3. Step 3: Cross multiply
    67,051.92x = 92,550.27 × 38,387.64
  4. Step 4: Simplify right side
    67,051.92x = 3,552,786,446.66
  5. Step 5: Solve for x
    x = 3,552,786,446.66/67,051.92
  6. Step 6: Final answer
    x = 52,985.60

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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.