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Finding the Fourth Proportional to 63,150.01, 87,141.50 and 40,448.95

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Solution

The fourth proportional to 63,150.01, 87,141.50 and 40,448.95 is: 55,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,150.01 : 87,141.50 = 40,448.95 : x
  2. Step 2: Convert to fraction form
    63,150.01/87,141.50 = 40,448.95/x
  3. Step 3: Cross multiply
    63,150.01x = 87,141.50 × 40,448.95
  4. Step 4: Simplify right side
    63,150.01x = 3,524,781,974.18
  5. Step 5: Solve for x
    x = 3,524,781,974.18/63,150.01
  6. Step 6: Final answer
    x = 55,816.02

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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.