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Finding the Fourth Proportional to 47,393.71, 71,085.85 and 12,333.36

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Solution

The fourth proportional to 47,393.71, 71,085.85 and 12,333.36 is: 18,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.71 : 71,085.85 = 12,333.36 : x
  2. Step 2: Convert to fraction form
    47,393.71/71,085.85 = 12,333.36/x
  3. Step 3: Cross multiply
    47,393.71x = 71,085.85 × 12,333.36
  4. Step 4: Simplify right side
    47,393.71x = 876,727,684.07
  5. Step 5: Solve for x
    x = 876,727,684.07/47,393.71
  6. Step 6: Final answer
    x = 18,498.82

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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.