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Finding the Fourth Proportional to 3,040.50, 4,561.01 and 959.95

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Solution

The fourth proportional to 3,040.50, 4,561.01 and 959.95 is: 1,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.50 : 4,561.01 = 959.95 : x
  2. Step 2: Convert to fraction form
    3,040.50/4,561.01 = 959.95/x
  3. Step 3: Cross multiply
    3,040.50x = 4,561.01 × 959.95
  4. Step 4: Simplify right side
    3,040.50x = 4,378,341.55
  5. Step 5: Solve for x
    x = 4,378,341.55/3,040.50
  6. Step 6: Final answer
    x = 1,440.01

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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.