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Finding the Fourth Proportional to 67,159.92, 92,681.88 and 36,947.76

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Solution

The fourth proportional to 67,159.92, 92,681.88 and 36,947.76 is: 50,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,159.92 : 92,681.88 = 36,947.76 : x
  2. Step 2: Convert to fraction form
    67,159.92/92,681.88 = 36,947.76/x
  3. Step 3: Cross multiply
    67,159.92x = 92,681.88 × 36,947.76
  4. Step 4: Simplify right side
    67,159.92x = 3,424,387,858.59
  5. Step 5: Solve for x
    x = 3,424,387,858.59/67,159.92
  6. Step 6: Final answer
    x = 50,988.56

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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.