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Finding the Fourth Proportional to 6,754.92, 9,300.90 and 5,162.92

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Solution

The fourth proportional to 6,754.92, 9,300.90 and 5,162.92 is: 7,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.92 : 9,300.90 = 5,162.92 : x
  2. Step 2: Convert to fraction form
    6,754.92/9,300.90 = 5,162.92/x
  3. Step 3: Cross multiply
    6,754.92x = 9,300.90 × 5,162.92
  4. Step 4: Simplify right side
    6,754.92x = 48,019,802.63
  5. Step 5: Solve for x
    x = 48,019,802.63/6,754.92
  6. Step 6: Final answer
    x = 7,108.86

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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.