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Finding the Fourth Proportional to 47,661.84, 71,493.03 and 12,601.13

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Solution

The fourth proportional to 47,661.84, 71,493.03 and 12,601.13 is: 18,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.84 : 71,493.03 = 12,601.13 : x
  2. Step 2: Convert to fraction form
    47,661.84/71,493.03 = 12,601.13/x
  3. Step 3: Cross multiply
    47,661.84x = 71,493.03 × 12,601.13
  4. Step 4: Simplify right side
    47,661.84x = 900,892,607.66
  5. Step 5: Solve for x
    x = 900,892,607.66/47,661.84
  6. Step 6: Final answer
    x = 18,901.76

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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.