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Finding the Fourth Proportional to 5,176, 7,752.12 and 3,301.84

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Solution

The fourth proportional to 5,176, 7,752.12 and 3,301.84 is: 4,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176 : 7,752.12 = 3,301.84 : x
  2. Step 2: Convert to fraction form
    5,176/7,752.12 = 3,301.84/x
  3. Step 3: Cross multiply
    5,176x = 7,752.12 × 3,301.84
  4. Step 4: Simplify right side
    5,176x = 25,596,259.90
  5. Step 5: Solve for x
    x = 25,596,259.90/5,176
  6. Step 6: Final answer
    x = 4,945.18

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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.