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Finding the Fourth Proportional to 29,819.40, 44,729.10 and 9,040.20

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Solution

The fourth proportional to 29,819.40, 44,729.10 and 9,040.20 is: 13,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.40 : 44,729.10 = 9,040.20 : x
  2. Step 2: Convert to fraction form
    29,819.40/44,729.10 = 9,040.20/x
  3. Step 3: Cross multiply
    29,819.40x = 44,729.10 × 9,040.20
  4. Step 4: Simplify right side
    29,819.40x = 404,360,009.82
  5. Step 5: Solve for x
    x = 404,360,009.82/29,819.40
  6. Step 6: Final answer
    x = 13,560.30

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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.