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Finding the Fourth Proportional to 26,522.40, 39,785.40 and 8,993.55

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Solution

The fourth proportional to 26,522.40, 39,785.40 and 8,993.55 is: 13,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,522.40 : 39,785.40 = 8,993.55 : x
  2. Step 2: Convert to fraction form
    26,522.40/39,785.40 = 8,993.55/x
  3. Step 3: Cross multiply
    26,522.40x = 39,785.40 × 8,993.55
  4. Step 4: Simplify right side
    26,522.40x = 357,811,984.17
  5. Step 5: Solve for x
    x = 357,811,984.17/26,522.40
  6. Step 6: Final answer
    x = 13,490.94

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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.