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Finding the Fourth Proportional to 44,689.90, 66,987.60 and 16,591.90

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Solution

The fourth proportional to 44,689.90, 66,987.60 and 16,591.90 is: 24,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,689.90 : 66,987.60 = 16,591.90 : x
  2. Step 2: Convert to fraction form
    44,689.90/66,987.60 = 16,591.90/x
  3. Step 3: Cross multiply
    44,689.90x = 66,987.60 × 16,591.90
  4. Step 4: Simplify right side
    44,689.90x = 1,111,451,560.44
  5. Step 5: Solve for x
    x = 1,111,451,560.44/44,689.90
  6. Step 6: Final answer
    x = 24,870.31

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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.