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Finding the Fourth Proportional to 3,710.95, 5,566.38 and 1,519.68

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Solution

The fourth proportional to 3,710.95, 5,566.38 and 1,519.68 is: 2,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.95 : 5,566.38 = 1,519.68 : x
  2. Step 2: Convert to fraction form
    3,710.95/5,566.38 = 1,519.68/x
  3. Step 3: Cross multiply
    3,710.95x = 5,566.38 × 1,519.68
  4. Step 4: Simplify right side
    3,710.95x = 8,459,116.36
  5. Step 5: Solve for x
    x = 8,459,116.36/3,710.95
  6. Step 6: Final answer
    x = 2,279.50

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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.