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Finding the Fourth Proportional to 22,908.40, 34,367.51 and 7,113.10

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Solution

The fourth proportional to 22,908.40, 34,367.51 and 7,113.10 is: 10,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.40 : 34,367.51 = 7,113.10 : x
  2. Step 2: Convert to fraction form
    22,908.40/34,367.51 = 7,113.10/x
  3. Step 3: Cross multiply
    22,908.40x = 34,367.51 × 7,113.10
  4. Step 4: Simplify right side
    22,908.40x = 244,459,535.38
  5. Step 5: Solve for x
    x = 244,459,535.38/22,908.40
  6. Step 6: Final answer
    x = 10,671.17

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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.