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Finding the Fourth Proportional to 7,901.93, 11,850.35 and 4,393.61

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Solution

The fourth proportional to 7,901.93, 11,850.35 and 4,393.61 is: 6,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.93 : 11,850.35 = 4,393.61 : x
  2. Step 2: Convert to fraction form
    7,901.93/11,850.35 = 4,393.61/x
  3. Step 3: Cross multiply
    7,901.93x = 11,850.35 × 4,393.61
  4. Step 4: Simplify right side
    7,901.93x = 52,065,735.04
  5. Step 5: Solve for x
    x = 52,065,735.04/7,901.93
  6. Step 6: Final answer
    x = 6,588.99

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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.