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Finding the Fourth Proportional to 49,155, 73,732.50 and 15,902.88

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Solution

The fourth proportional to 49,155, 73,732.50 and 15,902.88 is: 23,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,155 : 73,732.50 = 15,902.88 : x
  2. Step 2: Convert to fraction form
    49,155/73,732.50 = 15,902.88/x
  3. Step 3: Cross multiply
    49,155x = 73,732.50 × 15,902.88
  4. Step 4: Simplify right side
    49,155x = 1,172,559,099.60
  5. Step 5: Solve for x
    x = 1,172,559,099.60/49,155
  6. Step 6: Final answer
    x = 23,854.32

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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.