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Finding the Fourth Proportional to 44,586.55, 66,860.38 and 16,865.11

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Solution

The fourth proportional to 44,586.55, 66,860.38 and 16,865.11 is: 25,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,586.55 : 66,860.38 = 16,865.11 : x
  2. Step 2: Convert to fraction form
    44,586.55/66,860.38 = 16,865.11/x
  3. Step 3: Cross multiply
    44,586.55x = 66,860.38 × 16,865.11
  4. Step 4: Simplify right side
    44,586.55x = 1,127,607,454.03
  5. Step 5: Solve for x
    x = 1,127,607,454.03/44,586.55
  6. Step 6: Final answer
    x = 25,290.31

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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.