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Finding the Fourth Proportional to 44,584, 66,860.52 and 12,985.48

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Solution

The fourth proportional to 44,584, 66,860.52 and 12,985.48 is: 19,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,584 : 66,860.52 = 12,985.48 : x
  2. Step 2: Convert to fraction form
    44,584/66,860.52 = 12,985.48/x
  3. Step 3: Cross multiply
    44,584x = 66,860.52 × 12,985.48
  4. Step 4: Simplify right side
    44,584x = 868,215,945.25
  5. Step 5: Solve for x
    x = 868,215,945.25/44,584
  6. Step 6: Final answer
    x = 19,473.71

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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.