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Finding the Fourth Proportional to 87,053, 130,580.94 and 37,805

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Solution

The fourth proportional to 87,053, 130,580.94 and 37,805 is: 56,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,053 : 130,580.94 = 37,805 : x
  2. Step 2: Convert to fraction form
    87,053/130,580.94 = 37,805/x
  3. Step 3: Cross multiply
    87,053x = 130,580.94 × 37,805
  4. Step 4: Simplify right side
    87,053x = 4,936,612,436.70
  5. Step 5: Solve for x
    x = 4,936,612,436.70/87,053
  6. Step 6: Final answer
    x = 56,708.13

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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.