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Finding the Fourth Proportional to 25,996.66, 38,994.99 and 6,275.20

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Solution

The fourth proportional to 25,996.66, 38,994.99 and 6,275.20 is: 9,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,996.66 : 38,994.99 = 6,275.20 : x
  2. Step 2: Convert to fraction form
    25,996.66/38,994.99 = 6,275.20/x
  3. Step 3: Cross multiply
    25,996.66x = 38,994.99 × 6,275.20
  4. Step 4: Simplify right side
    25,996.66x = 244,701,361.25
  5. Step 5: Solve for x
    x = 244,701,361.25/25,996.66
  6. Step 6: Final answer
    x = 9,412.80

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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.