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Finding the Fourth Proportional to 16,442.50, 24,663.76 and 5,498.50

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Solution

The fourth proportional to 16,442.50, 24,663.76 and 5,498.50 is: 8,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.50 : 24,663.76 = 5,498.50 : x
  2. Step 2: Convert to fraction form
    16,442.50/24,663.76 = 5,498.50/x
  3. Step 3: Cross multiply
    16,442.50x = 24,663.76 × 5,498.50
  4. Step 4: Simplify right side
    16,442.50x = 135,613,684.36
  5. Step 5: Solve for x
    x = 135,613,684.36/16,442.50
  6. Step 6: Final answer
    x = 8,247.75

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1.5x scale

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.