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Finding the Fourth Proportional to 30,608.40, 45,959.04 and 29,105.04

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Solution

The fourth proportional to 30,608.40, 45,959.04 and 29,105.04 is: 43,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.40 : 45,959.04 = 29,105.04 : x
  2. Step 2: Convert to fraction form
    30,608.40/45,959.04 = 29,105.04/x
  3. Step 3: Cross multiply
    30,608.40x = 45,959.04 × 29,105.04
  4. Step 4: Simplify right side
    30,608.40x = 1,337,639,697.56
  5. Step 5: Solve for x
    x = 1,337,639,697.56/30,608.40
  6. Step 6: Final answer
    x = 43,701.72

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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.