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Finding the Fourth Proportional to 7,330.87, 10,995.19 and 2,400.40

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Solution

The fourth proportional to 7,330.87, 10,995.19 and 2,400.40 is: 3,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.87 : 10,995.19 = 2,400.40 : x
  2. Step 2: Convert to fraction form
    7,330.87/10,995.19 = 2,400.40/x
  3. Step 3: Cross multiply
    7,330.87x = 10,995.19 × 2,400.40
  4. Step 4: Simplify right side
    7,330.87x = 26,392,854.08
  5. Step 5: Solve for x
    x = 26,392,854.08/7,330.87
  6. Step 6: Final answer
    x = 3,600.23

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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.