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Finding the Fourth Proportional to 67,995.74, 101,993.59 and 21,248.62

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Solution

The fourth proportional to 67,995.74, 101,993.59 and 21,248.62 is: 31,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,995.74 : 101,993.59 = 21,248.62 : x
  2. Step 2: Convert to fraction form
    67,995.74/101,993.59 = 21,248.62/x
  3. Step 3: Cross multiply
    67,995.74x = 101,993.59 × 21,248.62
  4. Step 4: Simplify right side
    67,995.74x = 2,167,223,036.35
  5. Step 5: Solve for x
    x = 2,167,223,036.35/67,995.74
  6. Step 6: Final answer
    x = 31,872.92

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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.