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Finding the Fourth Proportional to 3,330.46, 4,995.39 and 3,069.46

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Solution

The fourth proportional to 3,330.46, 4,995.39 and 3,069.46 is: 4,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.46 : 4,995.39 = 3,069.46 : x
  2. Step 2: Convert to fraction form
    3,330.46/4,995.39 = 3,069.46/x
  3. Step 3: Cross multiply
    3,330.46x = 4,995.39 × 3,069.46
  4. Step 4: Simplify right side
    3,330.46x = 15,333,124.81
  5. Step 5: Solve for x
    x = 15,333,124.81/3,330.46
  6. Step 6: Final answer
    x = 4,603.91

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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.