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Finding the Fourth Proportional to 22,707.75, 34,061.81 and 7,916.64

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Solution

The fourth proportional to 22,707.75, 34,061.81 and 7,916.64 is: 11,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.75 : 34,061.81 = 7,916.64 : x
  2. Step 2: Convert to fraction form
    22,707.75/34,061.81 = 7,916.64/x
  3. Step 3: Cross multiply
    22,707.75x = 34,061.81 × 7,916.64
  4. Step 4: Simplify right side
    22,707.75x = 269,655,087.52
  5. Step 5: Solve for x
    x = 269,655,087.52/22,707.75
  6. Step 6: Final answer
    x = 11,875.02

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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.