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Finding the Fourth Proportional to 25,670.52, 38,504.16 and 10,870.20

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Solution

The fourth proportional to 25,670.52, 38,504.16 and 10,870.20 is: 16,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.52 : 38,504.16 = 10,870.20 : x
  2. Step 2: Convert to fraction form
    25,670.52/38,504.16 = 10,870.20/x
  3. Step 3: Cross multiply
    25,670.52x = 38,504.16 × 10,870.20
  4. Step 4: Simplify right side
    25,670.52x = 418,547,920.03
  5. Step 5: Solve for x
    x = 418,547,920.03/25,670.52
  6. Step 6: Final answer
    x = 16,304.61

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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.