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Finding the Fourth Proportional to 69,498.40, 104,317.04 and 38,348.32

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Solution

The fourth proportional to 69,498.40, 104,317.04 and 38,348.32 is: 57,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,498.40 : 104,317.04 = 38,348.32 : x
  2. Step 2: Convert to fraction form
    69,498.40/104,317.04 = 38,348.32/x
  3. Step 3: Cross multiply
    69,498.40x = 104,317.04 × 38,348.32
  4. Step 4: Simplify right side
    69,498.40x = 4,000,383,231.37
  5. Step 5: Solve for x
    x = 4,000,383,231.37/69,498.40
  6. Step 6: Final answer
    x = 57,560.80

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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.