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Finding the Fourth Proportional to 7,873, 10,866.66 and 4,562.92

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Solution

The fourth proportional to 7,873, 10,866.66 and 4,562.92 is: 6,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873 : 10,866.66 = 4,562.92 : x
  2. Step 2: Convert to fraction form
    7,873/10,866.66 = 4,562.92/x
  3. Step 3: Cross multiply
    7,873x = 10,866.66 × 4,562.92
  4. Step 4: Simplify right side
    7,873x = 49,583,700.25
  5. Step 5: Solve for x
    x = 49,583,700.25/7,873
  6. Step 6: Final answer
    x = 6,297.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.