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Finding the Fourth Proportional to 16,218, 24,328.62 and 4,531.32

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Solution

The fourth proportional to 16,218, 24,328.62 and 4,531.32 is: 6,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218 : 24,328.62 = 4,531.32 : x
  2. Step 2: Convert to fraction form
    16,218/24,328.62 = 4,531.32/x
  3. Step 3: Cross multiply
    16,218x = 24,328.62 × 4,531.32
  4. Step 4: Simplify right side
    16,218x = 110,240,762.38
  5. Step 5: Solve for x
    x = 110,240,762.38/16,218
  6. Step 6: Final answer
    x = 6,797.43

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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.