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Finding the Fourth Proportional to 5,471, 7,550.26 and 3,113.36

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Solution

The fourth proportional to 5,471, 7,550.26 and 3,113.36 is: 4,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471 : 7,550.26 = 3,113.36 : x
  2. Step 2: Convert to fraction form
    5,471/7,550.26 = 3,113.36/x
  3. Step 3: Cross multiply
    5,471x = 7,550.26 × 3,113.36
  4. Step 4: Simplify right side
    5,471x = 23,506,677.47
  5. Step 5: Solve for x
    x = 23,506,677.47/5,471
  6. Step 6: Final answer
    x = 4,296.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.