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Finding the Fourth Proportional to 76,612.40, 114,922.20 and 24,023.60

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Solution

The fourth proportional to 76,612.40, 114,922.20 and 24,023.60 is: 36,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612.40 : 114,922.20 = 24,023.60 : x
  2. Step 2: Convert to fraction form
    76,612.40/114,922.20 = 24,023.60/x
  3. Step 3: Cross multiply
    76,612.40x = 114,922.20 × 24,023.60
  4. Step 4: Simplify right side
    76,612.40x = 2,760,844,963.92
  5. Step 5: Solve for x
    x = 2,760,844,963.92/76,612.40
  6. Step 6: Final answer
    x = 36,036.53

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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.