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Finding the Fourth Proportional to 7,209.73, 10,803.63 and 5,352.13

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Solution

The fourth proportional to 7,209.73, 10,803.63 and 5,352.13 is: 8,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.73 : 10,803.63 = 5,352.13 : x
  2. Step 2: Convert to fraction form
    7,209.73/10,803.63 = 5,352.13/x
  3. Step 3: Cross multiply
    7,209.73x = 10,803.63 × 5,352.13
  4. Step 4: Simplify right side
    7,209.73x = 57,822,378.21
  5. Step 5: Solve for x
    x = 57,822,378.21/7,209.73
  6. Step 6: Final answer
    x = 8,020.05

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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.