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Finding the Fourth Proportional to 11,562.60, 17,343.90 and 9,748.20

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Solution

The fourth proportional to 11,562.60, 17,343.90 and 9,748.20 is: 14,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.60 : 17,343.90 = 9,748.20 : x
  2. Step 2: Convert to fraction form
    11,562.60/17,343.90 = 9,748.20/x
  3. Step 3: Cross multiply
    11,562.60x = 17,343.90 × 9,748.20
  4. Step 4: Simplify right side
    11,562.60x = 169,071,805.98
  5. Step 5: Solve for x
    x = 169,071,805.98/11,562.60
  6. Step 6: Final answer
    x = 14,622.30

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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.