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Finding the Fourth Proportional to 69,950.69, 96,531.98 and 38,119.60

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Solution

The fourth proportional to 69,950.69, 96,531.98 and 38,119.60 is: 52,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,950.69 : 96,531.98 = 38,119.60 : x
  2. Step 2: Convert to fraction form
    69,950.69/96,531.98 = 38,119.60/x
  3. Step 3: Cross multiply
    69,950.69x = 96,531.98 × 38,119.60
  4. Step 4: Simplify right side
    69,950.69x = 3,679,760,032.88
  5. Step 5: Solve for x
    x = 3,679,760,032.88/69,950.69
  6. Step 6: Final answer
    x = 52,605.06

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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.