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Finding the Fourth Proportional to 3,295.93, 4,943.83 and 830.76

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Solution

The fourth proportional to 3,295.93, 4,943.83 and 830.76 is: 1,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.93 : 4,943.83 = 830.76 : x
  2. Step 2: Convert to fraction form
    3,295.93/4,943.83 = 830.76/x
  3. Step 3: Cross multiply
    3,295.93x = 4,943.83 × 830.76
  4. Step 4: Simplify right side
    3,295.93x = 4,107,136.21
  5. Step 5: Solve for x
    x = 4,107,136.21/3,295.93
  6. Step 6: Final answer
    x = 1,246.12

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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.