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Finding the Fourth Proportional to 16,521, 22,799.46 and 9,069.48

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Solution

The fourth proportional to 16,521, 22,799.46 and 9,069.48 is: 12,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521 : 22,799.46 = 9,069.48 : x
  2. Step 2: Convert to fraction form
    16,521/22,799.46 = 9,069.48/x
  3. Step 3: Cross multiply
    16,521x = 22,799.46 × 9,069.48
  4. Step 4: Simplify right side
    16,521x = 206,779,246.48
  5. Step 5: Solve for x
    x = 206,779,246.48/16,521
  6. Step 6: Final answer
    x = 12,516.15

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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.