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Finding the Fourth Proportional to 23,878.61, 32,957.42 and 13,805.65

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Solution

The fourth proportional to 23,878.61, 32,957.42 and 13,805.65 is: 19,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.61 : 32,957.42 = 13,805.65 : x
  2. Step 2: Convert to fraction form
    23,878.61/32,957.42 = 13,805.65/x
  3. Step 3: Cross multiply
    23,878.61x = 32,957.42 × 13,805.65
  4. Step 4: Simplify right side
    23,878.61x = 454,998,605.42
  5. Step 5: Solve for x
    x = 454,998,605.42/23,878.61
  6. Step 6: Final answer
    x = 19,054.65

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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.