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Finding the Fourth Proportional to 7,267.80, 10,894.22 and 2,888.36

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Solution

The fourth proportional to 7,267.80, 10,894.22 and 2,888.36 is: 4,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.80 : 10,894.22 = 2,888.36 : x
  2. Step 2: Convert to fraction form
    7,267.80/10,894.22 = 2,888.36/x
  3. Step 3: Cross multiply
    7,267.80x = 10,894.22 × 2,888.36
  4. Step 4: Simplify right side
    7,267.80x = 31,466,429.28
  5. Step 5: Solve for x
    x = 31,466,429.28/7,267.80
  6. Step 6: Final answer
    x = 4,329.57

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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.