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Finding the Fourth Proportional to 47,902.60, 71,864.70 and 14,624.20

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Solution

The fourth proportional to 47,902.60, 71,864.70 and 14,624.20 is: 21,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902.60 : 71,864.70 = 14,624.20 : x
  2. Step 2: Convert to fraction form
    47,902.60/71,864.70 = 14,624.20/x
  3. Step 3: Cross multiply
    47,902.60x = 71,864.70 × 14,624.20
  4. Step 4: Simplify right side
    47,902.60x = 1,050,963,745.74
  5. Step 5: Solve for x
    x = 1,050,963,745.74/47,902.60
  6. Step 6: Final answer
    x = 21,939.60

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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.