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Finding the Fourth Proportional to 22,693.92, 34,040.86 and 7,112.76

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Solution

The fourth proportional to 22,693.92, 34,040.86 and 7,112.76 is: 10,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.92 : 34,040.86 = 7,112.76 : x
  2. Step 2: Convert to fraction form
    22,693.92/34,040.86 = 7,112.76/x
  3. Step 3: Cross multiply
    22,693.92x = 34,040.86 × 7,112.76
  4. Step 4: Simplify right side
    22,693.92x = 242,124,467.37
  5. Step 5: Solve for x
    x = 242,124,467.37/22,693.92
  6. Step 6: Final answer
    x = 10,669.13

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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.