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Finding the Fourth Proportional to 47,253.24, 65,148.84 and 38,724.48

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Solution

The fourth proportional to 47,253.24, 65,148.84 and 38,724.48 is: 53,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253.24 : 65,148.84 = 38,724.48 : x
  2. Step 2: Convert to fraction form
    47,253.24/65,148.84 = 38,724.48/x
  3. Step 3: Cross multiply
    47,253.24x = 65,148.84 × 38,724.48
  4. Step 4: Simplify right side
    47,253.24x = 2,522,854,951.60
  5. Step 5: Solve for x
    x = 2,522,854,951.60/47,253.24
  6. Step 6: Final answer
    x = 53,390.09

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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.