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Finding the Fourth Proportional to 38,076.87, 57,115.29 and 10,374.87

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Solution

The fourth proportional to 38,076.87, 57,115.29 and 10,374.87 is: 15,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.87 : 57,115.29 = 10,374.87 : x
  2. Step 2: Convert to fraction form
    38,076.87/57,115.29 = 10,374.87/x
  3. Step 3: Cross multiply
    38,076.87x = 57,115.29 × 10,374.87
  4. Step 4: Simplify right side
    38,076.87x = 592,563,708.76
  5. Step 5: Solve for x
    x = 592,563,708.76/38,076.87
  6. Step 6: Final answer
    x = 15,562.30

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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.