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Finding the Fourth Proportional to 44,487.90, 66,735.90 and 18,187.20

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Solution

The fourth proportional to 44,487.90, 66,735.90 and 18,187.20 is: 27,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,487.90 : 66,735.90 = 18,187.20 : x
  2. Step 2: Convert to fraction form
    44,487.90/66,735.90 = 18,187.20/x
  3. Step 3: Cross multiply
    44,487.90x = 66,735.90 × 18,187.20
  4. Step 4: Simplify right side
    44,487.90x = 1,213,739,160.48
  5. Step 5: Solve for x
    x = 1,213,739,160.48/44,487.90
  6. Step 6: Final answer
    x = 27,282.46

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1.5x scale

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.