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Finding the Fourth Proportional to 22,432.80, 33,658.56 and 22,264.32

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Solution

The fourth proportional to 22,432.80, 33,658.56 and 22,264.32 is: 33,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.80 : 33,658.56 = 22,264.32 : x
  2. Step 2: Convert to fraction form
    22,432.80/33,658.56 = 22,264.32/x
  3. Step 3: Cross multiply
    22,432.80x = 33,658.56 × 22,264.32
  4. Step 4: Simplify right side
    22,432.80x = 749,384,950.58
  5. Step 5: Solve for x
    x = 749,384,950.58/22,432.80
  6. Step 6: Final answer
    x = 33,405.77

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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.