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Finding the Fourth Proportional to 6,138.08, 8,473.92 and 4,569.92

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Solution

The fourth proportional to 6,138.08, 8,473.92 and 4,569.92 is: 6,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138.08 : 8,473.92 = 4,569.92 : x
  2. Step 2: Convert to fraction form
    6,138.08/8,473.92 = 4,569.92/x
  3. Step 3: Cross multiply
    6,138.08x = 8,473.92 × 4,569.92
  4. Step 4: Simplify right side
    6,138.08x = 38,725,136.49
  5. Step 5: Solve for x
    x = 38,725,136.49/6,138.08
  6. Step 6: Final answer
    x = 6,309.00

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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.