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Finding the Fourth Proportional to 5,030.46, 6,940.23 and 2,822.46

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Solution

The fourth proportional to 5,030.46, 6,940.23 and 2,822.46 is: 3,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.46 : 6,940.23 = 2,822.46 : x
  2. Step 2: Convert to fraction form
    5,030.46/6,940.23 = 2,822.46/x
  3. Step 3: Cross multiply
    5,030.46x = 6,940.23 × 2,822.46
  4. Step 4: Simplify right side
    5,030.46x = 19,588,521.57
  5. Step 5: Solve for x
    x = 19,588,521.57/5,030.46
  6. Step 6: Final answer
    x = 3,893.98

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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.