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Finding the Fourth Proportional to 5,030.46, 6,942.46 and 2,792.80

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Solution

The fourth proportional to 5,030.46, 6,942.46 and 2,792.80 is: 3,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.46 : 6,942.46 = 2,792.80 : x
  2. Step 2: Convert to fraction form
    5,030.46/6,942.46 = 2,792.80/x
  3. Step 3: Cross multiply
    5,030.46x = 6,942.46 × 2,792.80
  4. Step 4: Simplify right side
    5,030.46x = 19,388,902.29
  5. Step 5: Solve for x
    x = 19,388,902.29/5,030.46
  6. Step 6: Final answer
    x = 3,854.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.