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Finding the Fourth Proportional to 6,243.04, 8,615.12 and 3,448.48

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Solution

The fourth proportional to 6,243.04, 8,615.12 and 3,448.48 is: 4,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.04 : 8,615.12 = 3,448.48 : x
  2. Step 2: Convert to fraction form
    6,243.04/8,615.12 = 3,448.48/x
  3. Step 3: Cross multiply
    6,243.04x = 8,615.12 × 3,448.48
  4. Step 4: Simplify right side
    6,243.04x = 29,709,069.02
  5. Step 5: Solve for x
    x = 29,709,069.02/6,243.04
  6. Step 6: Final answer
    x = 4,758.75

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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.