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Finding the Fourth Proportional to 40,291.22, 60,437.95 and 10,709.01

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Solution

The fourth proportional to 40,291.22, 60,437.95 and 10,709.01 is: 16,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.22 : 60,437.95 = 10,709.01 : x
  2. Step 2: Convert to fraction form
    40,291.22/60,437.95 = 10,709.01/x
  3. Step 3: Cross multiply
    40,291.22x = 60,437.95 × 10,709.01
  4. Step 4: Simplify right side
    40,291.22x = 647,230,584.16
  5. Step 5: Solve for x
    x = 647,230,584.16/40,291.22
  6. Step 6: Final answer
    x = 16,063.81

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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.