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Finding the Fourth Proportional to 24,572.80, 36,855.60 and 7,040.80

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Solution

The fourth proportional to 24,572.80, 36,855.60 and 7,040.80 is: 10,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,572.80 : 36,855.60 = 7,040.80 : x
  2. Step 2: Convert to fraction form
    24,572.80/36,855.60 = 7,040.80/x
  3. Step 3: Cross multiply
    24,572.80x = 36,855.60 × 7,040.80
  4. Step 4: Simplify right side
    24,572.80x = 259,492,908.48
  5. Step 5: Solve for x
    x = 259,492,908.48/24,572.80
  6. Step 6: Final answer
    x = 10,560.17

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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.