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Finding the Fourth Proportional to 75,683.65, 113,524.24 and 25,798.48

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Solution

The fourth proportional to 75,683.65, 113,524.24 and 25,798.48 is: 38,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.65 : 113,524.24 = 25,798.48 : x
  2. Step 2: Convert to fraction form
    75,683.65/113,524.24 = 25,798.48/x
  3. Step 3: Cross multiply
    75,683.65x = 113,524.24 × 25,798.48
  4. Step 4: Simplify right side
    75,683.65x = 2,928,752,835.16
  5. Step 5: Solve for x
    x = 2,928,752,835.16/75,683.65
  6. Step 6: Final answer
    x = 38,697.30

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Similar ratio
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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.