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Finding the Fourth Proportional to 6,715.39, 9,265.74 and 4,062.74

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Solution

The fourth proportional to 6,715.39, 9,265.74 and 4,062.74 is: 5,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.39 : 9,265.74 = 4,062.74 : x
  2. Step 2: Convert to fraction form
    6,715.39/9,265.74 = 4,062.74/x
  3. Step 3: Cross multiply
    6,715.39x = 9,265.74 × 4,062.74
  4. Step 4: Simplify right side
    6,715.39x = 37,644,292.53
  5. Step 5: Solve for x
    x = 37,644,292.53/6,715.39
  6. Step 6: Final answer
    x = 5,605.67

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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.