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Finding the Fourth Proportional to 18,330.16, 25,294.08 and 10,776.74

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Solution

The fourth proportional to 18,330.16, 25,294.08 and 10,776.74 is: 14,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.16 : 25,294.08 = 10,776.74 : x
  2. Step 2: Convert to fraction form
    18,330.16/25,294.08 = 10,776.74/x
  3. Step 3: Cross multiply
    18,330.16x = 25,294.08 × 10,776.74
  4. Step 4: Simplify right side
    18,330.16x = 272,587,723.70
  5. Step 5: Solve for x
    x = 272,587,723.70/18,330.16
  6. Step 6: Final answer
    x = 14,871.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.