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Finding the Fourth Proportional to 18,862.44, 28,250.60 and 9,008.66

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Solution

The fourth proportional to 18,862.44, 28,250.60 and 9,008.66 is: 13,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.44 : 28,250.60 = 9,008.66 : x
  2. Step 2: Convert to fraction form
    18,862.44/28,250.60 = 9,008.66/x
  3. Step 3: Cross multiply
    18,862.44x = 28,250.60 × 9,008.66
  4. Step 4: Simplify right side
    18,862.44x = 254,500,050.20
  5. Step 5: Solve for x
    x = 254,500,050.20/18,862.44
  6. Step 6: Final answer
    x = 13,492.42

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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.