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Finding the Fourth Proportional to 9,661.54, 13,233.02 and 9,094.13

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Solution

The fourth proportional to 9,661.54, 13,233.02 and 9,094.13 is: 12,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.54 : 13,233.02 = 9,094.13 : x
  2. Step 2: Convert to fraction form
    9,661.54/13,233.02 = 9,094.13/x
  3. Step 3: Cross multiply
    9,661.54x = 13,233.02 × 9,094.13
  4. Step 4: Simplify right side
    9,661.54x = 120,342,804.17
  5. Step 5: Solve for x
    x = 120,342,804.17/9,661.54
  6. Step 6: Final answer
    x = 12,455.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.