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Finding the Fourth Proportional to 3,709.34, 5,564.02 and 1,518.28

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Solution

The fourth proportional to 3,709.34, 5,564.02 and 1,518.28 is: 2,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.34 : 5,564.02 = 1,518.28 : x
  2. Step 2: Convert to fraction form
    3,709.34/5,564.02 = 1,518.28/x
  3. Step 3: Cross multiply
    3,709.34x = 5,564.02 × 1,518.28
  4. Step 4: Simplify right side
    3,709.34x = 8,447,740.29
  5. Step 5: Solve for x
    x = 8,447,740.29/3,709.34
  6. Step 6: Final answer
    x = 2,277.42

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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.