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Finding the Fourth Proportional to 2,833.65, 4,227.73 and 2,521.80

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Solution

The fourth proportional to 2,833.65, 4,227.73 and 2,521.80 is: 3,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.65 : 4,227.73 = 2,521.80 : x
  2. Step 2: Convert to fraction form
    2,833.65/4,227.73 = 2,521.80/x
  3. Step 3: Cross multiply
    2,833.65x = 4,227.73 × 2,521.80
  4. Step 4: Simplify right side
    2,833.65x = 10,661,483.21
  5. Step 5: Solve for x
    x = 10,661,483.21/2,833.65
  6. Step 6: Final answer
    x = 3,762.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.