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Finding the Fourth Proportional to 74,794.92, 112,191.51 and 21,488.21

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Solution

The fourth proportional to 74,794.92, 112,191.51 and 21,488.21 is: 32,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794.92 : 112,191.51 = 21,488.21 : x
  2. Step 2: Convert to fraction form
    74,794.92/112,191.51 = 21,488.21/x
  3. Step 3: Cross multiply
    74,794.92x = 112,191.51 × 21,488.21
  4. Step 4: Simplify right side
    74,794.92x = 2,410,794,727.10
  5. Step 5: Solve for x
    x = 2,410,794,727.10/74,794.92
  6. Step 6: Final answer
    x = 32,232.07

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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.