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Finding the Fourth Proportional to 30,244.20, 40,252.25 and 30,244.20

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Solution

The fourth proportional to 30,244.20, 40,252.25 and 30,244.20 is: 40,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.20 : 40,252.25 = 30,244.20 : x
  2. Step 2: Convert to fraction form
    30,244.20/40,252.25 = 30,244.20/x
  3. Step 3: Cross multiply
    30,244.20x = 40,252.25 × 30,244.20
  4. Step 4: Simplify right side
    30,244.20x = 1,217,396,948.23
  5. Step 5: Solve for x
    x = 1,217,396,948.23/30,244.20
  6. Step 6: Final answer
    x = 40,252.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.