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Finding the Fourth Proportional to 9,085.15, 13,658.10 and 7,453.81

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Solution

The fourth proportional to 9,085.15, 13,658.10 and 7,453.81 is: 11,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.15 : 13,658.10 = 7,453.81 : x
  2. Step 2: Convert to fraction form
    9,085.15/13,658.10 = 7,453.81/x
  3. Step 3: Cross multiply
    9,085.15x = 13,658.10 × 7,453.81
  4. Step 4: Simplify right side
    9,085.15x = 101,804,882.36
  5. Step 5: Solve for x
    x = 101,804,882.36/9,085.15
  6. Step 6: Final answer
    x = 11,205.64

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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.