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Finding the Fourth Proportional to 6,836.80, 10,196.89 and 6,718.39

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Solution

The fourth proportional to 6,836.80, 10,196.89 and 6,718.39 is: 10,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.80 : 10,196.89 = 6,718.39 : x
  2. Step 2: Convert to fraction form
    6,836.80/10,196.89 = 6,718.39/x
  3. Step 3: Cross multiply
    6,836.80x = 10,196.89 × 6,718.39
  4. Step 4: Simplify right side
    6,836.80x = 68,506,683.81
  5. Step 5: Solve for x
    x = 68,506,683.81/6,836.80
  6. Step 6: Final answer
    x = 10,020.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.