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Finding the Fourth Proportional to 14,349.52, 19,803.32 and 8,061.88

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Solution

The fourth proportional to 14,349.52, 19,803.32 and 8,061.88 is: 11,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.52 : 19,803.32 = 8,061.88 : x
  2. Step 2: Convert to fraction form
    14,349.52/19,803.32 = 8,061.88/x
  3. Step 3: Cross multiply
    14,349.52x = 19,803.32 × 8,061.88
  4. Step 4: Simplify right side
    14,349.52x = 159,651,989.44
  5. Step 5: Solve for x
    x = 159,651,989.44/14,349.52
  6. Step 6: Final answer
    x = 11,125.95

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Why These Related Problems?

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