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Finding the Fourth Proportional to 69,891.77, 96,447.30 and 38,060.48

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Solution

The fourth proportional to 69,891.77, 96,447.30 and 38,060.48 is: 52,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,891.77 : 96,447.30 = 38,060.48 : x
  2. Step 2: Convert to fraction form
    69,891.77/96,447.30 = 38,060.48/x
  3. Step 3: Cross multiply
    69,891.77x = 96,447.30 × 38,060.48
  4. Step 4: Simplify right side
    69,891.77x = 3,670,830,532.70
  5. Step 5: Solve for x
    x = 3,670,830,532.70/69,891.77
  6. Step 6: Final answer
    x = 52,521.64

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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.