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Finding the Fourth Proportional to 16,356.52, 24,531.16 and 5,261.08

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Solution

The fourth proportional to 16,356.52, 24,531.16 and 5,261.08 is: 7,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.52 : 24,531.16 = 5,261.08 : x
  2. Step 2: Convert to fraction form
    16,356.52/24,531.16 = 5,261.08/x
  3. Step 3: Cross multiply
    16,356.52x = 24,531.16 × 5,261.08
  4. Step 4: Simplify right side
    16,356.52x = 129,060,395.25
  5. Step 5: Solve for x
    x = 129,060,395.25/16,356.52
  6. Step 6: Final answer
    x = 7,890.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.