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Finding the Fourth Proportional to 23,979.81, 35,969.73 and 6,451.41

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Solution

The fourth proportional to 23,979.81, 35,969.73 and 6,451.41 is: 9,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.81 : 35,969.73 = 6,451.41 : x
  2. Step 2: Convert to fraction form
    23,979.81/35,969.73 = 6,451.41/x
  3. Step 3: Cross multiply
    23,979.81x = 35,969.73 × 6,451.41
  4. Step 4: Simplify right side
    23,979.81x = 232,055,475.82
  5. Step 5: Solve for x
    x = 232,055,475.82/23,979.81
  6. Step 6: Final answer
    x = 9,677.12

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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.