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Finding the Fourth Proportional to 16,521.52, 22,798.92 and 8,967.68

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Solution

The fourth proportional to 16,521.52, 22,798.92 and 8,967.68 is: 12,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.52 : 22,798.92 = 8,967.68 : x
  2. Step 2: Convert to fraction form
    16,521.52/22,798.92 = 8,967.68/x
  3. Step 3: Cross multiply
    16,521.52x = 22,798.92 × 8,967.68
  4. Step 4: Simplify right side
    16,521.52x = 204,453,418.91
  5. Step 5: Solve for x
    x = 204,453,418.91/16,521.52
  6. Step 6: Final answer
    x = 12,374.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.