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Finding the Fourth Proportional to 47,657.84, 71,487.03 and 12,597.13

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Solution

The fourth proportional to 47,657.84, 71,487.03 and 12,597.13 is: 18,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657.84 : 71,487.03 = 12,597.13 : x
  2. Step 2: Convert to fraction form
    47,657.84/71,487.03 = 12,597.13/x
  3. Step 3: Cross multiply
    47,657.84x = 71,487.03 × 12,597.13
  4. Step 4: Simplify right side
    47,657.84x = 900,531,052.79
  5. Step 5: Solve for x
    x = 900,531,052.79/47,657.84
  6. Step 6: Final answer
    x = 18,895.76

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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.