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Finding the Fourth Proportional to 22,883.40, 34,325.10 and 21,814.20

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Solution

The fourth proportional to 22,883.40, 34,325.10 and 21,814.20 is: 32,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,883.40 : 34,325.10 = 21,814.20 : x
  2. Step 2: Convert to fraction form
    22,883.40/34,325.10 = 21,814.20/x
  3. Step 3: Cross multiply
    22,883.40x = 34,325.10 × 21,814.20
  4. Step 4: Simplify right side
    22,883.40x = 748,774,596.42
  5. Step 5: Solve for x
    x = 748,774,596.42/22,883.40
  6. Step 6: Final answer
    x = 32,721.30

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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.