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Finding the Fourth Proportional to 47,657.59, 71,486.66 and 12,596.88

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Solution

The fourth proportional to 47,657.59, 71,486.66 and 12,596.88 is: 18,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657.59 : 71,486.66 = 12,596.88 : x
  2. Step 2: Convert to fraction form
    47,657.59/71,486.66 = 12,596.88/x
  3. Step 3: Cross multiply
    47,657.59x = 71,486.66 × 12,596.88
  4. Step 4: Simplify right side
    47,657.59x = 900,508,877.62
  5. Step 5: Solve for x
    x = 900,508,877.62/47,657.59
  6. Step 6: Final answer
    x = 18,895.39

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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.