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Finding the Fourth Proportional to 67,470.76, 93,102.58 and 39,170.92

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Solution

The fourth proportional to 67,470.76, 93,102.58 and 39,170.92 is: 54,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470.76 : 93,102.58 = 39,170.92 : x
  2. Step 2: Convert to fraction form
    67,470.76/93,102.58 = 39,170.92/x
  3. Step 3: Cross multiply
    67,470.76x = 93,102.58 × 39,170.92
  4. Step 4: Simplify right side
    67,470.76x = 3,646,913,712.97
  5. Step 5: Solve for x
    x = 3,646,913,712.97/67,470.76
  6. Step 6: Final answer
    x = 54,051.77

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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.