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Finding the Fourth Proportional to 6,242.11, 8,615.11 and 4,568.15

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Solution

The fourth proportional to 6,242.11, 8,615.11 and 4,568.15 is: 6,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.11 : 8,615.11 = 4,568.15 : x
  2. Step 2: Convert to fraction form
    6,242.11/8,615.11 = 4,568.15/x
  3. Step 3: Cross multiply
    6,242.11x = 8,615.11 × 4,568.15
  4. Step 4: Simplify right side
    6,242.11x = 39,355,084.97
  5. Step 5: Solve for x
    x = 39,355,084.97/6,242.11
  6. Step 6: Final answer
    x = 6,304.77

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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.