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Finding the Fourth Proportional to 67,972.13, 93,804.17 and 37,759.74

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Solution

The fourth proportional to 67,972.13, 93,804.17 and 37,759.74 is: 52,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,972.13 : 93,804.17 = 37,759.74 : x
  2. Step 2: Convert to fraction form
    67,972.13/93,804.17 = 37,759.74/x
  3. Step 3: Cross multiply
    67,972.13x = 93,804.17 × 37,759.74
  4. Step 4: Simplify right side
    67,972.13x = 3,542,020,881.32
  5. Step 5: Solve for x
    x = 3,542,020,881.32/67,972.13
  6. Step 6: Final answer
    x = 52,109.90

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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.