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Finding the Fourth Proportional to 10,254.60, 15,381.90 and 9,250.20

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Solution

The fourth proportional to 10,254.60, 15,381.90 and 9,250.20 is: 13,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.60 : 15,381.90 = 9,250.20 : x
  2. Step 2: Convert to fraction form
    10,254.60/15,381.90 = 9,250.20/x
  3. Step 3: Cross multiply
    10,254.60x = 15,381.90 × 9,250.20
  4. Step 4: Simplify right side
    10,254.60x = 142,285,651.38
  5. Step 5: Solve for x
    x = 142,285,651.38/10,254.60
  6. Step 6: Final answer
    x = 13,875.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.