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Finding the Fourth Proportional to 38,010.58, 57,015.90 and 10,308.58

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Solution

The fourth proportional to 38,010.58, 57,015.90 and 10,308.58 is: 15,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.58 : 57,015.90 = 10,308.58 : x
  2. Step 2: Convert to fraction form
    38,010.58/57,015.90 = 10,308.58/x
  3. Step 3: Cross multiply
    38,010.58x = 57,015.90 × 10,308.58
  4. Step 4: Simplify right side
    38,010.58x = 587,752,966.42
  5. Step 5: Solve for x
    x = 587,752,966.42/38,010.58
  6. Step 6: Final answer
    x = 15,462.88

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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.