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Finding the Fourth Proportional to 15,616.68, 23,426.10 and 9,416.54

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Solution

The fourth proportional to 15,616.68, 23,426.10 and 9,416.54 is: 14,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.68 : 23,426.10 = 9,416.54 : x
  2. Step 2: Convert to fraction form
    15,616.68/23,426.10 = 9,416.54/x
  3. Step 3: Cross multiply
    15,616.68x = 23,426.10 × 9,416.54
  4. Step 4: Simplify right side
    15,616.68x = 220,592,690.56
  5. Step 5: Solve for x
    x = 220,592,690.56/15,616.68
  6. Step 6: Final answer
    x = 14,125.45

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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.