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Finding the Fourth Proportional to 76,896.80, 115,344.51 and 24,306.30

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Solution

The fourth proportional to 76,896.80, 115,344.51 and 24,306.30 is: 36,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.80 : 115,344.51 = 24,306.30 : x
  2. Step 2: Convert to fraction form
    76,896.80/115,344.51 = 24,306.30/x
  3. Step 3: Cross multiply
    76,896.80x = 115,344.51 × 24,306.30
  4. Step 4: Simplify right side
    76,896.80x = 2,803,598,172.26
  5. Step 5: Solve for x
    x = 2,803,598,172.26/76,896.80
  6. Step 6: Final answer
    x = 36,459.23

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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.