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Finding the Fourth Proportional to 6,343.46, 8,752.86 and 5,398.04

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Solution

The fourth proportional to 6,343.46, 8,752.86 and 5,398.04 is: 7,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.46 : 8,752.86 = 5,398.04 : x
  2. Step 2: Convert to fraction form
    6,343.46/8,752.86 = 5,398.04/x
  3. Step 3: Cross multiply
    6,343.46x = 8,752.86 × 5,398.04
  4. Step 4: Simplify right side
    6,343.46x = 47,248,310.28
  5. Step 5: Solve for x
    x = 47,248,310.28/6,343.46
  6. Step 6: Final answer
    x = 7,448.34

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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.