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Finding the Fourth Proportional to 58,744.16, 81,064.74 and 31,886.09

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Solution

The fourth proportional to 58,744.16, 81,064.74 and 31,886.09 is: 44,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,744.16 : 81,064.74 = 31,886.09 : x
  2. Step 2: Convert to fraction form
    58,744.16/81,064.74 = 31,886.09/x
  3. Step 3: Cross multiply
    58,744.16x = 81,064.74 × 31,886.09
  4. Step 4: Simplify right side
    58,744.16x = 2,584,837,595.47
  5. Step 5: Solve for x
    x = 2,584,837,595.47/58,744.16
  6. Step 6: Final answer
    x = 44,001.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.