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Finding the Fourth Proportional to 22,395.03, 30,904.94 and 12,323.90

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Solution

The fourth proportional to 22,395.03, 30,904.94 and 12,323.90 is: 17,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,395.03 : 30,904.94 = 12,323.90 : x
  2. Step 2: Convert to fraction form
    22,395.03/30,904.94 = 12,323.90/x
  3. Step 3: Cross multiply
    22,395.03x = 30,904.94 × 12,323.90
  4. Step 4: Simplify right side
    22,395.03x = 380,869,173.92
  5. Step 5: Solve for x
    x = 380,869,173.92/22,395.03
  6. Step 6: Final answer
    x = 17,006.86

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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.