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Finding the Fourth Proportional to 29,080.03, 43,620.05 and 9,360.13

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Solution

The fourth proportional to 29,080.03, 43,620.05 and 9,360.13 is: 14,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.03 : 43,620.05 = 9,360.13 : x
  2. Step 2: Convert to fraction form
    29,080.03/43,620.05 = 9,360.13/x
  3. Step 3: Cross multiply
    29,080.03x = 43,620.05 × 9,360.13
  4. Step 4: Simplify right side
    29,080.03x = 408,289,338.61
  5. Step 5: Solve for x
    x = 408,289,338.61/29,080.03
  6. Step 6: Final answer
    x = 14,040.20

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1.5x scale

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.