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Finding the Fourth Proportional to 6,243.04, 8,615.52 and 3,448.64

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Solution

The fourth proportional to 6,243.04, 8,615.52 and 3,448.64 is: 4,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.04 : 8,615.52 = 3,448.64 : x
  2. Step 2: Convert to fraction form
    6,243.04/8,615.52 = 3,448.64/x
  3. Step 3: Cross multiply
    6,243.04x = 8,615.52 × 3,448.64
  4. Step 4: Simplify right side
    6,243.04x = 29,711,826.89
  5. Step 5: Solve for x
    x = 29,711,826.89/6,243.04
  6. Step 6: Final answer
    x = 4,759.19

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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.