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Finding the Fourth Proportional to 67,255.50, 92,819.07 and 37,447.50

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Solution

The fourth proportional to 67,255.50, 92,819.07 and 37,447.50 is: 51,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255.50 : 92,819.07 = 37,447.50 : x
  2. Step 2: Convert to fraction form
    67,255.50/92,819.07 = 37,447.50/x
  3. Step 3: Cross multiply
    67,255.50x = 92,819.07 × 37,447.50
  4. Step 4: Simplify right side
    67,255.50x = 3,475,842,123.83
  5. Step 5: Solve for x
    x = 3,475,842,123.83/67,255.50
  6. Step 6: Final answer
    x = 51,681.16

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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.