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Finding the Fourth Proportional to 34,488.96, 51,799.04 and 21,432.56

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Solution

The fourth proportional to 34,488.96, 51,799.04 and 21,432.56 is: 32,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,488.96 : 51,799.04 = 21,432.56 : x
  2. Step 2: Convert to fraction form
    34,488.96/51,799.04 = 21,432.56/x
  3. Step 3: Cross multiply
    34,488.96x = 51,799.04 × 21,432.56
  4. Step 4: Simplify right side
    34,488.96x = 1,110,186,032.74
  5. Step 5: Solve for x
    x = 1,110,186,032.74/34,488.96
  6. Step 6: Final answer
    x = 32,189.61

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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.