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Finding the Fourth Proportional to 17,886.84, 24,670.54 and 12,509.55

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Solution

The fourth proportional to 17,886.84, 24,670.54 and 12,509.55 is: 17,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.84 : 24,670.54 = 12,509.55 : x
  2. Step 2: Convert to fraction form
    17,886.84/24,670.54 = 12,509.55/x
  3. Step 3: Cross multiply
    17,886.84x = 24,670.54 × 12,509.55
  4. Step 4: Simplify right side
    17,886.84x = 308,617,353.66
  5. Step 5: Solve for x
    x = 308,617,353.66/17,886.84
  6. Step 6: Final answer
    x = 17,253.88

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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.