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Finding the Fourth Proportional to 22,362.90, 33,545.16 and 6,780.12

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Solution

The fourth proportional to 22,362.90, 33,545.16 and 6,780.12 is: 10,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,362.90 : 33,545.16 = 6,780.12 : x
  2. Step 2: Convert to fraction form
    22,362.90/33,545.16 = 6,780.12/x
  3. Step 3: Cross multiply
    22,362.90x = 33,545.16 × 6,780.12
  4. Step 4: Simplify right side
    22,362.90x = 227,440,210.22
  5. Step 5: Solve for x
    x = 227,440,210.22/22,362.90
  6. Step 6: Final answer
    x = 10,170.43

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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.