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Finding the Fourth Proportional to 40,973.04, 61,452.72 and 11,393.87

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Solution

The fourth proportional to 40,973.04, 61,452.72 and 11,393.87 is: 17,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,973.04 : 61,452.72 = 11,393.87 : x
  2. Step 2: Convert to fraction form
    40,973.04/61,452.72 = 11,393.87/x
  3. Step 3: Cross multiply
    40,973.04x = 61,452.72 × 11,393.87
  4. Step 4: Simplify right side
    40,973.04x = 700,183,995.56
  5. Step 5: Solve for x
    x = 700,183,995.56/40,973.04
  6. Step 6: Final answer
    x = 17,088.90

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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.