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Finding the Fourth Proportional to 5,224.54, 7,209.63 and 2,866.63

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Solution

The fourth proportional to 5,224.54, 7,209.63 and 2,866.63 is: 3,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.54 : 7,209.63 = 2,866.63 : x
  2. Step 2: Convert to fraction form
    5,224.54/7,209.63 = 2,866.63/x
  3. Step 3: Cross multiply
    5,224.54x = 7,209.63 × 2,866.63
  4. Step 4: Simplify right side
    5,224.54x = 20,667,341.65
  5. Step 5: Solve for x
    x = 20,667,341.65/5,224.54
  6. Step 6: Final answer
    x = 3,955.82

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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.