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Finding the Fourth Proportional to 16,642.62, 24,966.68 and 5,547.24

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Solution

The fourth proportional to 16,642.62, 24,966.68 and 5,547.24 is: 8,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642.62 : 24,966.68 = 5,547.24 : x
  2. Step 2: Convert to fraction form
    16,642.62/24,966.68 = 5,547.24/x
  3. Step 3: Cross multiply
    16,642.62x = 24,966.68 × 5,547.24
  4. Step 4: Simplify right side
    16,642.62x = 138,496,138.23
  5. Step 5: Solve for x
    x = 138,496,138.23/16,642.62
  6. Step 6: Final answer
    x = 8,321.77

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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.