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Finding the Fourth Proportional to 44,462.59, 66,619.82 and 31,287.29

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Solution

The fourth proportional to 44,462.59, 66,619.82 and 31,287.29 is: 46,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,462.59 : 66,619.82 = 31,287.29 : x
  2. Step 2: Convert to fraction form
    44,462.59/66,619.82 = 31,287.29/x
  3. Step 3: Cross multiply
    44,462.59x = 66,619.82 × 31,287.29
  4. Step 4: Simplify right side
    44,462.59x = 2,084,353,373.21
  5. Step 5: Solve for x
    x = 2,084,353,373.21/44,462.59
  6. Step 6: Final answer
    x = 46,878.81

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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.