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Finding the Fourth Proportional to 57,326.76, 85,938.84 and 22,258.08

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Solution

The fourth proportional to 57,326.76, 85,938.84 and 22,258.08 is: 33,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,326.76 : 85,938.84 = 22,258.08 : x
  2. Step 2: Convert to fraction form
    57,326.76/85,938.84 = 22,258.08/x
  3. Step 3: Cross multiply
    57,326.76x = 85,938.84 × 22,258.08
  4. Step 4: Simplify right side
    57,326.76x = 1,912,833,575.83
  5. Step 5: Solve for x
    x = 1,912,833,575.83/57,326.76
  6. Step 6: Final answer
    x = 33,367.20

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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.