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Finding the Fourth Proportional to 25,798.41, 38,699.45 and 8,924.42

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Solution

The fourth proportional to 25,798.41, 38,699.45 and 8,924.42 is: 13,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,798.41 : 38,699.45 = 8,924.42 : x
  2. Step 2: Convert to fraction form
    25,798.41/38,699.45 = 8,924.42/x
  3. Step 3: Cross multiply
    25,798.41x = 38,699.45 × 8,924.42
  4. Step 4: Simplify right side
    25,798.41x = 345,370,145.57
  5. Step 5: Solve for x
    x = 345,370,145.57/25,798.41
  6. Step 6: Final answer
    x = 13,387.26

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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.