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Finding the Fourth Proportional to 25,582.64, 38,372.08 and 8,057.48

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Solution

The fourth proportional to 25,582.64, 38,372.08 and 8,057.48 is: 12,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.64 : 38,372.08 = 8,057.48 : x
  2. Step 2: Convert to fraction form
    25,582.64/38,372.08 = 8,057.48/x
  3. Step 3: Cross multiply
    25,582.64x = 38,372.08 × 8,057.48
  4. Step 4: Simplify right side
    25,582.64x = 309,182,055.15
  5. Step 5: Solve for x
    x = 309,182,055.15/25,582.64
  6. Step 6: Final answer
    x = 12,085.62

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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.