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Finding the Fourth Proportional to 67,937.94, 93,758.85 and 39,263.13

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Solution

The fourth proportional to 67,937.94, 93,758.85 and 39,263.13 is: 54,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.94 : 93,758.85 = 39,263.13 : x
  2. Step 2: Convert to fraction form
    67,937.94/93,758.85 = 39,263.13/x
  3. Step 3: Cross multiply
    67,937.94x = 93,758.85 × 39,263.13
  4. Step 4: Simplify right side
    67,937.94x = 3,681,265,916.20
  5. Step 5: Solve for x
    x = 3,681,265,916.20/67,937.94
  6. Step 6: Final answer
    x = 54,185.72

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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.