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Finding the Fourth Proportional to 22,904.40, 34,361.51 and 7,109.10

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Solution

The fourth proportional to 22,904.40, 34,361.51 and 7,109.10 is: 10,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.40 : 34,361.51 = 7,109.10 : x
  2. Step 2: Convert to fraction form
    22,904.40/34,361.51 = 7,109.10/x
  3. Step 3: Cross multiply
    22,904.40x = 34,361.51 × 7,109.10
  4. Step 4: Simplify right side
    22,904.40x = 244,279,375.20
  5. Step 5: Solve for x
    x = 244,279,375.20/22,904.40
  6. Step 6: Final answer
    x = 10,665.17

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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.