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Finding the Fourth Proportional to 10,353.10, 15,529.65 and 9,348.70

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Solution

The fourth proportional to 10,353.10, 15,529.65 and 9,348.70 is: 14,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.10 : 15,529.65 = 9,348.70 : x
  2. Step 2: Convert to fraction form
    10,353.10/15,529.65 = 9,348.70/x
  3. Step 3: Cross multiply
    10,353.10x = 15,529.65 × 9,348.70
  4. Step 4: Simplify right side
    10,353.10x = 145,182,038.96
  5. Step 5: Solve for x
    x = 145,182,038.96/10,353.10
  6. Step 6: Final answer
    x = 14,023.05

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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.