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Finding the Fourth Proportional to 22,203.10, 33,306.34 and 7,411.98

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Solution

The fourth proportional to 22,203.10, 33,306.34 and 7,411.98 is: 11,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.10 : 33,306.34 = 7,411.98 : x
  2. Step 2: Convert to fraction form
    22,203.10/33,306.34 = 7,411.98/x
  3. Step 3: Cross multiply
    22,203.10x = 33,306.34 × 7,411.98
  4. Step 4: Simplify right side
    22,203.10x = 246,865,925.95
  5. Step 5: Solve for x
    x = 246,865,925.95/22,203.10
  6. Step 6: Final answer
    x = 11,118.53

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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.