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Finding the Fourth Proportional to 76,605.48, 114,908.22 and 24,019.20

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Solution

The fourth proportional to 76,605.48, 114,908.22 and 24,019.20 is: 36,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,605.48 : 114,908.22 = 24,019.20 : x
  2. Step 2: Convert to fraction form
    76,605.48/114,908.22 = 24,019.20/x
  3. Step 3: Cross multiply
    76,605.48x = 114,908.22 × 24,019.20
  4. Step 4: Simplify right side
    76,605.48x = 2,760,003,517.82
  5. Step 5: Solve for x
    x = 2,760,003,517.82/76,605.48
  6. Step 6: Final answer
    x = 36,028.80

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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.