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Finding the Fourth Proportional to 4,661.15, 6,992.20 and 1,497.78

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Solution

The fourth proportional to 4,661.15, 6,992.20 and 1,497.78 is: 2,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.15 : 6,992.20 = 1,497.78 : x
  2. Step 2: Convert to fraction form
    4,661.15/6,992.20 = 1,497.78/x
  3. Step 3: Cross multiply
    4,661.15x = 6,992.20 × 1,497.78
  4. Step 4: Simplify right side
    4,661.15x = 10,472,779.19
  5. Step 5: Solve for x
    x = 10,472,779.19/4,661.15
  6. Step 6: Final answer
    x = 2,246.83

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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.