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Finding the Fourth Proportional to 47,363.20, 71,059.20 and 26,572.80

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Solution

The fourth proportional to 47,363.20, 71,059.20 and 26,572.80 is: 39,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,363.20 : 71,059.20 = 26,572.80 : x
  2. Step 2: Convert to fraction form
    47,363.20/71,059.20 = 26,572.80/x
  3. Step 3: Cross multiply
    47,363.20x = 71,059.20 × 26,572.80
  4. Step 4: Simplify right side
    47,363.20x = 1,888,241,909.76
  5. Step 5: Solve for x
    x = 1,888,241,909.76/47,363.20
  6. Step 6: Final answer
    x = 39,867.28

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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.