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Finding the Fourth Proportional to 32,488.56, 44,820.87 and 21,881.58

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Solution

The fourth proportional to 32,488.56, 44,820.87 and 21,881.58 is: 30,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,488.56 : 44,820.87 = 21,881.58 : x
  2. Step 2: Convert to fraction form
    32,488.56/44,820.87 = 21,881.58/x
  3. Step 3: Cross multiply
    32,488.56x = 44,820.87 × 21,881.58
  4. Step 4: Simplify right side
    32,488.56x = 980,751,452.57
  5. Step 5: Solve for x
    x = 980,751,452.57/32,488.56
  6. Step 6: Final answer
    x = 30,187.59

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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.