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Finding the Fourth Proportional to 6,293.92, 8,690.12 and 4,409.68

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Solution

The fourth proportional to 6,293.92, 8,690.12 and 4,409.68 is: 6,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.92 : 8,690.12 = 4,409.68 : x
  2. Step 2: Convert to fraction form
    6,293.92/8,690.12 = 4,409.68/x
  3. Step 3: Cross multiply
    6,293.92x = 8,690.12 × 4,409.68
  4. Step 4: Simplify right side
    6,293.92x = 38,320,648.36
  5. Step 5: Solve for x
    x = 38,320,648.36/6,293.92
  6. Step 6: Final answer
    x = 6,088.52

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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.