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Finding the Fourth Proportional to 7,205.55, 9,943.73 and 4,061.13

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Solution

The fourth proportional to 7,205.55, 9,943.73 and 4,061.13 is: 5,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.55 : 9,943.73 = 4,061.13 : x
  2. Step 2: Convert to fraction form
    7,205.55/9,943.73 = 4,061.13/x
  3. Step 3: Cross multiply
    7,205.55x = 9,943.73 × 4,061.13
  4. Step 4: Simplify right side
    7,205.55x = 40,382,710.19
  5. Step 5: Solve for x
    x = 40,382,710.19/7,205.55
  6. Step 6: Final answer
    x = 5,604.39

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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.