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Finding the Fourth Proportional to 5,012.46, 6,915.33 and 3,863.00

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Solution

The fourth proportional to 5,012.46, 6,915.33 and 3,863.00 is: 5,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.46 : 6,915.33 = 3,863.00 : x
  2. Step 2: Convert to fraction form
    5,012.46/6,915.33 = 3,863.00/x
  3. Step 3: Cross multiply
    5,012.46x = 6,915.33 × 3,863.00
  4. Step 4: Simplify right side
    5,012.46x = 26,713,885.21
  5. Step 5: Solve for x
    x = 26,713,885.21/5,012.46
  6. Step 6: Final answer
    x = 5,329.50

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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.