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Finding the Fourth Proportional to 47,562.80, 71,327.40 and 16,390.80

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Solution

The fourth proportional to 47,562.80, 71,327.40 and 16,390.80 is: 24,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,562.80 : 71,327.40 = 16,390.80 : x
  2. Step 2: Convert to fraction form
    47,562.80/71,327.40 = 16,390.80/x
  3. Step 3: Cross multiply
    47,562.80x = 71,327.40 × 16,390.80
  4. Step 4: Simplify right side
    47,562.80x = 1,169,113,147.92
  5. Step 5: Solve for x
    x = 1,169,113,147.92/47,562.80
  6. Step 6: Final answer
    x = 24,580.41

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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.