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Finding the Fourth Proportional to 76,281.60, 114,423.46 and 23,687.76

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Solution

The fourth proportional to 76,281.60, 114,423.46 and 23,687.76 is: 35,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,281.60 : 114,423.46 = 23,687.76 : x
  2. Step 2: Convert to fraction form
    76,281.60/114,423.46 = 23,687.76/x
  3. Step 3: Cross multiply
    76,281.60x = 114,423.46 × 23,687.76
  4. Step 4: Simplify right side
    76,281.60x = 2,710,435,458.85
  5. Step 5: Solve for x
    x = 2,710,435,458.85/76,281.60
  6. Step 6: Final answer
    x = 35,531.97

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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.