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Finding the Fourth Proportional to 7,329.98, 10,995.43 and 2,585.54

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Solution

The fourth proportional to 7,329.98, 10,995.43 and 2,585.54 is: 3,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.98 : 10,995.43 = 2,585.54 : x
  2. Step 2: Convert to fraction form
    7,329.98/10,995.43 = 2,585.54/x
  3. Step 3: Cross multiply
    7,329.98x = 10,995.43 × 2,585.54
  4. Step 4: Simplify right side
    7,329.98x = 28,429,145.11
  5. Step 5: Solve for x
    x = 28,429,145.11/7,329.98
  6. Step 6: Final answer
    x = 3,878.48

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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.