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Finding the Fourth Proportional to 7,491.01, 10,337.20 and 4,302.09

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Solution

The fourth proportional to 7,491.01, 10,337.20 and 4,302.09 is: 5,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.01 : 10,337.20 = 4,302.09 : x
  2. Step 2: Convert to fraction form
    7,491.01/10,337.20 = 4,302.09/x
  3. Step 3: Cross multiply
    7,491.01x = 10,337.20 × 4,302.09
  4. Step 4: Simplify right side
    7,491.01x = 44,471,564.75
  5. Step 5: Solve for x
    x = 44,471,564.75/7,491.01
  6. Step 6: Final answer
    x = 5,936.66

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1.5x scale

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.