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Finding the Fourth Proportional to 7,330.80, 10,993.47 and 2,946.78

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Solution

The fourth proportional to 7,330.80, 10,993.47 and 2,946.78 is: 4,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.80 : 10,993.47 = 2,946.78 : x
  2. Step 2: Convert to fraction form
    7,330.80/10,993.47 = 2,946.78/x
  3. Step 3: Cross multiply
    7,330.80x = 10,993.47 × 2,946.78
  4. Step 4: Simplify right side
    7,330.80x = 32,395,337.53
  5. Step 5: Solve for x
    x = 32,395,337.53/7,330.80
  6. Step 6: Final answer
    x = 4,419.07

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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.