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Finding the Fourth Proportional to 37,891.65, 56,825.18 and 17,898.06

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Solution

The fourth proportional to 37,891.65, 56,825.18 and 17,898.06 is: 26,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.65 : 56,825.18 = 17,898.06 : x
  2. Step 2: Convert to fraction form
    37,891.65/56,825.18 = 17,898.06/x
  3. Step 3: Cross multiply
    37,891.65x = 56,825.18 × 17,898.06
  4. Step 4: Simplify right side
    37,891.65x = 1,017,060,391.66
  5. Step 5: Solve for x
    x = 1,017,060,391.66/37,891.65
  6. Step 6: Final answer
    x = 26,841.28

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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.