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Finding the Fourth Proportional to 60,379.20, 90,601.20 and 25,322.40

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Solution

The fourth proportional to 60,379.20, 90,601.20 and 25,322.40 is: 37,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,379.20 : 90,601.20 = 25,322.40 : x
  2. Step 2: Convert to fraction form
    60,379.20/90,601.20 = 25,322.40/x
  3. Step 3: Cross multiply
    60,379.20x = 90,601.20 × 25,322.40
  4. Step 4: Simplify right side
    60,379.20x = 2,294,239,826.88
  5. Step 5: Solve for x
    x = 2,294,239,826.88/60,379.20
  6. Step 6: Final answer
    x = 37,997.19

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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.