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Finding the Fourth Proportional to 6,754.34, 9,312.54 and 5,162.96

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Solution

The fourth proportional to 6,754.34, 9,312.54 and 5,162.96 is: 7,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.34 : 9,312.54 = 5,162.96 : x
  2. Step 2: Convert to fraction form
    6,754.34/9,312.54 = 5,162.96/x
  3. Step 3: Cross multiply
    6,754.34x = 9,312.54 × 5,162.96
  4. Step 4: Simplify right side
    6,754.34x = 48,080,224.96
  5. Step 5: Solve for x
    x = 48,080,224.96/6,754.34
  6. Step 6: Final answer
    x = 7,118.42

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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.