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Finding the Fourth Proportional to 7,668.17, 10,578.93 and 4,834.64

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Solution

The fourth proportional to 7,668.17, 10,578.93 and 4,834.64 is: 6,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.17 : 10,578.93 = 4,834.64 : x
  2. Step 2: Convert to fraction form
    7,668.17/10,578.93 = 4,834.64/x
  3. Step 3: Cross multiply
    7,668.17x = 10,578.93 × 4,834.64
  4. Step 4: Simplify right side
    7,668.17x = 51,145,280.54
  5. Step 5: Solve for x
    x = 51,145,280.54/7,668.17
  6. Step 6: Final answer
    x = 6,669.82

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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.