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Finding the Fourth Proportional to 49,503.60, 74,125.80 and 36,284.40

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Solution

The fourth proportional to 49,503.60, 74,125.80 and 36,284.40 is: 54,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503.60 : 74,125.80 = 36,284.40 : x
  2. Step 2: Convert to fraction form
    49,503.60/74,125.80 = 36,284.40/x
  3. Step 3: Cross multiply
    49,503.60x = 74,125.80 × 36,284.40
  4. Step 4: Simplify right side
    49,503.60x = 2,689,610,177.52
  5. Step 5: Solve for x
    x = 2,689,610,177.52/49,503.60
  6. Step 6: Final answer
    x = 54,331.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.