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Finding the Fourth Proportional to 69,907.70, 96,469.44 and 38,074.70

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Solution

The fourth proportional to 69,907.70, 96,469.44 and 38,074.70 is: 52,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907.70 : 96,469.44 = 38,074.70 : x
  2. Step 2: Convert to fraction form
    69,907.70/96,469.44 = 38,074.70/x
  3. Step 3: Cross multiply
    69,907.70x = 96,469.44 × 38,074.70
  4. Step 4: Simplify right side
    69,907.70x = 3,673,044,987.17
  5. Step 5: Solve for x
    x = 3,673,044,987.17/69,907.70
  6. Step 6: Final answer
    x = 52,541.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.