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Finding the Fourth Proportional to 5,279.04, 7,918.02 and 3,544.02

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Solution

The fourth proportional to 5,279.04, 7,918.02 and 3,544.02 is: 5,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.04 : 7,918.02 = 3,544.02 : x
  2. Step 2: Convert to fraction form
    5,279.04/7,918.02 = 3,544.02/x
  3. Step 3: Cross multiply
    5,279.04x = 7,918.02 × 3,544.02
  4. Step 4: Simplify right side
    5,279.04x = 28,061,621.24
  5. Step 5: Solve for x
    x = 28,061,621.24/5,279.04
  6. Step 6: Final answer
    x = 5,315.67

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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.