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Finding the Fourth Proportional to 45,987.91, 68,944.24 and 23,807.62

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Solution

The fourth proportional to 45,987.91, 68,944.24 and 23,807.62 is: 35,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,987.91 : 68,944.24 = 23,807.62 : x
  2. Step 2: Convert to fraction form
    45,987.91/68,944.24 = 23,807.62/x
  3. Step 3: Cross multiply
    45,987.91x = 68,944.24 × 23,807.62
  4. Step 4: Simplify right side
    45,987.91x = 1,641,398,267.11
  5. Step 5: Solve for x
    x = 1,641,398,267.11/45,987.91
  6. Step 6: Final answer
    x = 35,691.95

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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.