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Finding the Fourth Proportional to 5,291.50, 7,302.27 and 2,934.01

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Solution

The fourth proportional to 5,291.50, 7,302.27 and 2,934.01 is: 4,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.50 : 7,302.27 = 2,934.01 : x
  2. Step 2: Convert to fraction form
    5,291.50/7,302.27 = 2,934.01/x
  3. Step 3: Cross multiply
    5,291.50x = 7,302.27 × 2,934.01
  4. Step 4: Simplify right side
    5,291.50x = 21,424,933.20
  5. Step 5: Solve for x
    x = 21,424,933.20/5,291.50
  6. Step 6: Final answer
    x = 4,048.93

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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.