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Finding the Fourth Proportional to 22,395.92, 30,907.13 and 12,324.74

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Solution

The fourth proportional to 22,395.92, 30,907.13 and 12,324.74 is: 17,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.92 : 30,907.13 = 12,324.74 : x
  2. Step 2: Convert to fraction form
    22,395.92/30,907.13 = 12,324.74/x
  3. Step 3: Cross multiply
    22,395.92x = 30,907.13 × 12,324.74
  4. Step 4: Simplify right side
    22,395.92x = 380,922,125.24
  5. Step 5: Solve for x
    x = 380,922,125.24/22,395.92
  6. Step 6: Final answer
    x = 17,008.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.