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Finding the Fourth Proportional to 26,895.20, 40,337.04 and 8,417.12

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Solution

The fourth proportional to 26,895.20, 40,337.04 and 8,417.12 is: 12,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.20 : 40,337.04 = 8,417.12 : x
  2. Step 2: Convert to fraction form
    26,895.20/40,337.04 = 8,417.12/x
  3. Step 3: Cross multiply
    26,895.20x = 40,337.04 × 8,417.12
  4. Step 4: Simplify right side
    26,895.20x = 339,521,706.12
  5. Step 5: Solve for x
    x = 339,521,706.12/26,895.20
  6. Step 6: Final answer
    x = 12,623.88

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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.