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Finding the Fourth Proportional to 7,601.68, 11,404.68 and 5,359.60

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Solution

The fourth proportional to 7,601.68, 11,404.68 and 5,359.60 is: 8,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.68 : 11,404.68 = 5,359.60 : x
  2. Step 2: Convert to fraction form
    7,601.68/11,404.68 = 5,359.60/x
  3. Step 3: Cross multiply
    7,601.68x = 11,404.68 × 5,359.60
  4. Step 4: Simplify right side
    7,601.68x = 61,124,522.93
  5. Step 5: Solve for x
    x = 61,124,522.93/7,601.68
  6. Step 6: Final answer
    x = 8,040.92

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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.