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Finding the Fourth Proportional to 6,770.68, 9,345.05 and 4,117.53

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Solution

The fourth proportional to 6,770.68, 9,345.05 and 4,117.53 is: 5,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.68 : 9,345.05 = 4,117.53 : x
  2. Step 2: Convert to fraction form
    6,770.68/9,345.05 = 4,117.53/x
  3. Step 3: Cross multiply
    6,770.68x = 9,345.05 × 4,117.53
  4. Step 4: Simplify right side
    6,770.68x = 38,478,523.73
  5. Step 5: Solve for x
    x = 38,478,523.73/6,770.68
  6. Step 6: Final answer
    x = 5,683.11

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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.