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Finding the Fourth Proportional to 44,506.88, 66,686.58 and 31,294.70

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Solution

The fourth proportional to 44,506.88, 66,686.58 and 31,294.70 is: 46,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,506.88 : 66,686.58 = 31,294.70 : x
  2. Step 2: Convert to fraction form
    44,506.88/66,686.58 = 31,294.70/x
  3. Step 3: Cross multiply
    44,506.88x = 66,686.58 × 31,294.70
  4. Step 4: Simplify right side
    44,506.88x = 2,086,936,515.13
  5. Step 5: Solve for x
    x = 2,086,936,515.13/44,506.88
  6. Step 6: Final answer
    x = 46,890.20

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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.