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Finding the Fourth Proportional to 38,015.58, 57,023.40 and 10,313.58

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Solution

The fourth proportional to 38,015.58, 57,023.40 and 10,313.58 is: 15,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.58 : 57,023.40 = 10,313.58 : x
  2. Step 2: Convert to fraction form
    38,015.58/57,023.40 = 10,313.58/x
  3. Step 3: Cross multiply
    38,015.58x = 57,023.40 × 10,313.58
  4. Step 4: Simplify right side
    38,015.58x = 588,115,397.77
  5. Step 5: Solve for x
    x = 588,115,397.77/38,015.58
  6. Step 6: Final answer
    x = 15,470.38

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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.