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Finding the Fourth Proportional to 47,489.60, 71,240.80 and 16,334.40

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Solution

The fourth proportional to 47,489.60, 71,240.80 and 16,334.40 is: 24,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,489.60 : 71,240.80 = 16,334.40 : x
  2. Step 2: Convert to fraction form
    47,489.60/71,240.80 = 16,334.40/x
  3. Step 3: Cross multiply
    47,489.60x = 71,240.80 × 16,334.40
  4. Step 4: Simplify right side
    47,489.60x = 1,163,675,723.52
  5. Step 5: Solve for x
    x = 1,163,675,723.52/47,489.60
  6. Step 6: Final answer
    x = 24,503.80

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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.