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Finding the Fourth Proportional to 6,103.04, 8,422.16 and 3,308.48

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Solution

The fourth proportional to 6,103.04, 8,422.16 and 3,308.48 is: 4,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.04 : 8,422.16 = 3,308.48 : x
  2. Step 2: Convert to fraction form
    6,103.04/8,422.16 = 3,308.48/x
  3. Step 3: Cross multiply
    6,103.04x = 8,422.16 × 3,308.48
  4. Step 4: Simplify right side
    6,103.04x = 27,864,547.92
  5. Step 5: Solve for x
    x = 27,864,547.92/6,103.04
  6. Step 6: Final answer
    x = 4,565.68

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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.