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Finding the Fourth Proportional to 38,605.68, 57,919.32 and 25,483.68

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Solution

The fourth proportional to 38,605.68, 57,919.32 and 25,483.68 is: 38,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.68 : 57,919.32 = 25,483.68 : x
  2. Step 2: Convert to fraction form
    38,605.68/57,919.32 = 25,483.68/x
  3. Step 3: Cross multiply
    38,605.68x = 57,919.32 × 25,483.68
  4. Step 4: Simplify right side
    38,605.68x = 1,475,997,416.70
  5. Step 5: Solve for x
    x = 1,475,997,416.70/38,605.68
  6. Step 6: Final answer
    x = 38,232.65

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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.