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Finding the Fourth Proportional to 70,024.80, 104,949.60 and 34,974.24

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Solution

The fourth proportional to 70,024.80, 104,949.60 and 34,974.24 is: 52,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,024.80 : 104,949.60 = 34,974.24 : x
  2. Step 2: Convert to fraction form
    70,024.80/104,949.60 = 34,974.24/x
  3. Step 3: Cross multiply
    70,024.80x = 104,949.60 × 34,974.24
  4. Step 4: Simplify right side
    70,024.80x = 3,670,532,498.30
  5. Step 5: Solve for x
    x = 3,670,532,498.30/70,024.80
  6. Step 6: Final answer
    x = 52,417.61

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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.