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Finding the Fourth Proportional to 44,612.60, 66,862.20 and 18,287.60

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Solution

The fourth proportional to 44,612.60, 66,862.20 and 18,287.60 is: 27,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,612.60 : 66,862.20 = 18,287.60 : x
  2. Step 2: Convert to fraction form
    44,612.60/66,862.20 = 18,287.60/x
  3. Step 3: Cross multiply
    44,612.60x = 66,862.20 × 18,287.60
  4. Step 4: Simplify right side
    44,612.60x = 1,222,749,168.72
  5. Step 5: Solve for x
    x = 1,222,749,168.72/44,612.60
  6. Step 6: Final answer
    x = 27,408.16

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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.