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Finding the Fourth Proportional to 16,508.10, 22,778.92 and 9,339.00

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Solution

The fourth proportional to 16,508.10, 22,778.92 and 9,339.00 is: 12,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.10 : 22,778.92 = 9,339.00 : x
  2. Step 2: Convert to fraction form
    16,508.10/22,778.92 = 9,339.00/x
  3. Step 3: Cross multiply
    16,508.10x = 22,778.92 × 9,339.00
  4. Step 4: Simplify right side
    16,508.10x = 212,732,260.13
  5. Step 5: Solve for x
    x = 212,732,260.13/16,508.10
  6. Step 6: Final answer
    x = 12,886.54

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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.