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Finding the Fourth Proportional to 47,800.20, 71,714.70 and 25,624.20

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Solution

The fourth proportional to 47,800.20, 71,714.70 and 25,624.20 is: 38,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.20 : 71,714.70 = 25,624.20 : x
  2. Step 2: Convert to fraction form
    47,800.20/71,714.70 = 25,624.20/x
  3. Step 3: Cross multiply
    47,800.20x = 71,714.70 × 25,624.20
  4. Step 4: Simplify right side
    47,800.20x = 1,837,631,815.74
  5. Step 5: Solve for x
    x = 1,837,631,815.74/47,800.20
  6. Step 6: Final answer
    x = 38,444.02

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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.