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Finding the Fourth Proportional to 22,531.32, 33,818.04 and 11,445.93

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Solution

The fourth proportional to 22,531.32, 33,818.04 and 11,445.93 is: 17,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.32 : 33,818.04 = 11,445.93 : x
  2. Step 2: Convert to fraction form
    22,531.32/33,818.04 = 11,445.93/x
  3. Step 3: Cross multiply
    22,531.32x = 33,818.04 × 11,445.93
  4. Step 4: Simplify right side
    22,531.32x = 387,078,918.58
  5. Step 5: Solve for x
    x = 387,078,918.58/22,531.32
  6. Step 6: Final answer
    x = 17,179.59

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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.