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Finding the Fourth Proportional to 26,964.40, 40,439.40 and 9,432.40

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Solution

The fourth proportional to 26,964.40, 40,439.40 and 9,432.40 is: 14,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,964.40 : 40,439.40 = 9,432.40 : x
  2. Step 2: Convert to fraction form
    26,964.40/40,439.40 = 9,432.40/x
  3. Step 3: Cross multiply
    26,964.40x = 40,439.40 × 9,432.40
  4. Step 4: Simplify right side
    26,964.40x = 381,440,596.56
  5. Step 5: Solve for x
    x = 381,440,596.56/26,964.40
  6. Step 6: Final answer
    x = 14,146.08

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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.