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Finding the Fourth Proportional to 22,707.26, 34,061.07 and 7,916.15

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Solution

The fourth proportional to 22,707.26, 34,061.07 and 7,916.15 is: 11,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.26 : 34,061.07 = 7,916.15 : x
  2. Step 2: Convert to fraction form
    22,707.26/34,061.07 = 7,916.15/x
  3. Step 3: Cross multiply
    22,707.26x = 34,061.07 × 7,916.15
  4. Step 4: Simplify right side
    22,707.26x = 269,632,368.98
  5. Step 5: Solve for x
    x = 269,632,368.98/22,707.26
  6. Step 6: Final answer
    x = 11,874.28

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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.