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Finding the Fourth Proportional to 76,315.40, 114,472.56 and 23,724.80

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Solution

The fourth proportional to 76,315.40, 114,472.56 and 23,724.80 is: 35,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,315.40 : 114,472.56 = 23,724.80 : x
  2. Step 2: Convert to fraction form
    76,315.40/114,472.56 = 23,724.80/x
  3. Step 3: Cross multiply
    76,315.40x = 114,472.56 × 23,724.80
  4. Step 4: Simplify right side
    76,315.40x = 2,715,838,591.49
  5. Step 5: Solve for x
    x = 2,715,838,591.49/76,315.40
  6. Step 6: Final answer
    x = 35,587.03

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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.