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Finding the Fourth Proportional to 26,848.14, 40,272.18 and 8,380.14

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Solution

The fourth proportional to 26,848.14, 40,272.18 and 8,380.14 is: 12,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,848.14 : 40,272.18 = 8,380.14 : x
  2. Step 2: Convert to fraction form
    26,848.14/40,272.18 = 8,380.14/x
  3. Step 3: Cross multiply
    26,848.14x = 40,272.18 × 8,380.14
  4. Step 4: Simplify right side
    26,848.14x = 337,486,506.51
  5. Step 5: Solve for x
    x = 337,486,506.51/26,848.14
  6. Step 6: Final answer
    x = 12,570.20

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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.