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Finding the Fourth Proportional to 22,033.32, 30,406 and 12,602.08

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Solution

The fourth proportional to 22,033.32, 30,406 and 12,602.08 is: 17,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.32 : 30,406 = 12,602.08 : x
  2. Step 2: Convert to fraction form
    22,033.32/30,406 = 12,602.08/x
  3. Step 3: Cross multiply
    22,033.32x = 30,406 × 12,602.08
  4. Step 4: Simplify right side
    22,033.32x = 383,178,844.48
  5. Step 5: Solve for x
    x = 383,178,844.48/22,033.32
  6. Step 6: Final answer
    x = 17,390.88

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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.