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Finding the Fourth Proportional to 49,516.80, 74,332.80 and 29,817.60

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Solution

The fourth proportional to 49,516.80, 74,332.80 and 29,817.60 is: 44,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,516.80 : 74,332.80 = 29,817.60 : x
  2. Step 2: Convert to fraction form
    49,516.80/74,332.80 = 29,817.60/x
  3. Step 3: Cross multiply
    49,516.80x = 74,332.80 × 29,817.60
  4. Step 4: Simplify right side
    49,516.80x = 2,216,425,697.28
  5. Step 5: Solve for x
    x = 2,216,425,697.28/49,516.80
  6. Step 6: Final answer
    x = 44,761.09

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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.