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Finding the Fourth Proportional to 22,895.80, 34,343.70 and 18,230.20

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Solution

The fourth proportional to 22,895.80, 34,343.70 and 18,230.20 is: 27,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,895.80 : 34,343.70 = 18,230.20 : x
  2. Step 2: Convert to fraction form
    22,895.80/34,343.70 = 18,230.20/x
  3. Step 3: Cross multiply
    22,895.80x = 34,343.70 × 18,230.20
  4. Step 4: Simplify right side
    22,895.80x = 626,092,519.74
  5. Step 5: Solve for x
    x = 626,092,519.74/22,895.80
  6. Step 6: Final answer
    x = 27,345.30

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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.