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Finding the Fourth Proportional to 3,710.55, 5,559.95 and 3,013.84

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Solution

The fourth proportional to 3,710.55, 5,559.95 and 3,013.84 is: 4,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.55 : 5,559.95 = 3,013.84 : x
  2. Step 2: Convert to fraction form
    3,710.55/5,559.95 = 3,013.84/x
  3. Step 3: Cross multiply
    3,710.55x = 5,559.95 × 3,013.84
  4. Step 4: Simplify right side
    3,710.55x = 16,756,799.71
  5. Step 5: Solve for x
    x = 16,756,799.71/3,710.55
  6. Step 6: Final answer
    x = 4,515.99

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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.