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Finding the Fourth Proportional to 6,468.32, 8,929.92 and 4,232.48

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Solution

The fourth proportional to 6,468.32, 8,929.92 and 4,232.48 is: 5,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468.32 : 8,929.92 = 4,232.48 : x
  2. Step 2: Convert to fraction form
    6,468.32/8,929.92 = 4,232.48/x
  3. Step 3: Cross multiply
    6,468.32x = 8,929.92 × 4,232.48
  4. Step 4: Simplify right side
    6,468.32x = 37,795,707.80
  5. Step 5: Solve for x
    x = 37,795,707.80/6,468.32
  6. Step 6: Final answer
    x = 5,843.20

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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.