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Finding the Fourth Proportional to 38,078.88, 57,118.29 and 10,376.88

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Solution

The fourth proportional to 38,078.88, 57,118.29 and 10,376.88 is: 15,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.88 : 57,118.29 = 10,376.88 : x
  2. Step 2: Convert to fraction form
    38,078.88/57,118.29 = 10,376.88/x
  3. Step 3: Cross multiply
    38,078.88x = 57,118.29 × 10,376.88
  4. Step 4: Simplify right side
    38,078.88x = 592,709,641.14
  5. Step 5: Solve for x
    x = 592,709,641.14/38,078.88
  6. Step 6: Final answer
    x = 15,565.31

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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.