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Finding the Fourth Proportional to 9,355.53, 14,033.31 and 8,785.29

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Solution

The fourth proportional to 9,355.53, 14,033.31 and 8,785.29 is: 13,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.53 : 14,033.31 = 8,785.29 : x
  2. Step 2: Convert to fraction form
    9,355.53/14,033.31 = 8,785.29/x
  3. Step 3: Cross multiply
    9,355.53x = 14,033.31 × 8,785.29
  4. Step 4: Simplify right side
    9,355.53x = 123,286,698.01
  5. Step 5: Solve for x
    x = 123,286,698.01/9,355.53
  6. Step 6: Final answer
    x = 13,177.95

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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.