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Finding the Fourth Proportional to 76,807.93, 115,211.91 and 24,221.53

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Solution

The fourth proportional to 76,807.93, 115,211.91 and 24,221.53 is: 36,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.93 : 115,211.91 = 24,221.53 : x
  2. Step 2: Convert to fraction form
    76,807.93/115,211.91 = 24,221.53/x
  3. Step 3: Cross multiply
    76,807.93x = 115,211.91 × 24,221.53
  4. Step 4: Simplify right side
    76,807.93x = 2,790,608,734.42
  5. Step 5: Solve for x
    x = 2,790,608,734.42/76,807.93
  6. Step 6: Final answer
    x = 36,332.30

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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.