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Finding the Fourth Proportional to 76,937.60, 115,422.60 and 24,352.40

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Solution

The fourth proportional to 76,937.60, 115,422.60 and 24,352.40 is: 36,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.60 : 115,422.60 = 24,352.40 : x
  2. Step 2: Convert to fraction form
    76,937.60/115,422.60 = 24,352.40/x
  3. Step 3: Cross multiply
    76,937.60x = 115,422.60 × 24,352.40
  4. Step 4: Simplify right side
    76,937.60x = 2,810,817,324.24
  5. Step 5: Solve for x
    x = 2,810,817,324.24/76,937.60
  6. Step 6: Final answer
    x = 36,533.73

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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.