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Finding the Fourth Proportional to 16,488.69, 24,726.88 and 6,624.64

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Solution

The fourth proportional to 16,488.69, 24,726.88 and 6,624.64 is: 9,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.69 : 24,726.88 = 6,624.64 : x
  2. Step 2: Convert to fraction form
    16,488.69/24,726.88 = 6,624.64/x
  3. Step 3: Cross multiply
    16,488.69x = 24,726.88 × 6,624.64
  4. Step 4: Simplify right side
    16,488.69x = 163,806,587.74
  5. Step 5: Solve for x
    x = 163,806,587.74/16,488.69
  6. Step 6: Final answer
    x = 9,934.48

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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.