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Finding the Fourth Proportional to 4,693.77, 7,040.66 and 1,230.75

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Solution

The fourth proportional to 4,693.77, 7,040.66 and 1,230.75 is: 1,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.77 : 7,040.66 = 1,230.75 : x
  2. Step 2: Convert to fraction form
    4,693.77/7,040.66 = 1,230.75/x
  3. Step 3: Cross multiply
    4,693.77x = 7,040.66 × 1,230.75
  4. Step 4: Simplify right side
    4,693.77x = 8,665,286.14
  5. Step 5: Solve for x
    x = 8,665,286.14/4,693.77
  6. Step 6: Final answer
    x = 1,846.13

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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.