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Finding the Fourth Proportional to 25,452.29, 38,181.04 and 8,812.29

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Solution

The fourth proportional to 25,452.29, 38,181.04 and 8,812.29 is: 13,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.29 : 38,181.04 = 8,812.29 : x
  2. Step 2: Convert to fraction form
    25,452.29/38,181.04 = 8,812.29/x
  3. Step 3: Cross multiply
    25,452.29x = 38,181.04 × 8,812.29
  4. Step 4: Simplify right side
    25,452.29x = 336,462,518.13
  5. Step 5: Solve for x
    x = 336,462,518.13/25,452.29
  6. Step 6: Final answer
    x = 13,219.34

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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.