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Finding the Fourth Proportional to 6,746.15, 10,109.71 and 5,079.17

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Solution

The fourth proportional to 6,746.15, 10,109.71 and 5,079.17 is: 7,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.15 : 10,109.71 = 5,079.17 : x
  2. Step 2: Convert to fraction form
    6,746.15/10,109.71 = 5,079.17/x
  3. Step 3: Cross multiply
    6,746.15x = 10,109.71 × 5,079.17
  4. Step 4: Simplify right side
    6,746.15x = 51,348,967.36
  5. Step 5: Solve for x
    x = 51,348,967.36/6,746.15
  6. Step 6: Final answer
    x = 7,611.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.