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Finding the Fourth Proportional to 7,039.80, 10,608.12 and 5,834.34

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Solution

The fourth proportional to 7,039.80, 10,608.12 and 5,834.34 is: 8,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.80 : 10,608.12 = 5,834.34 : x
  2. Step 2: Convert to fraction form
    7,039.80/10,608.12 = 5,834.34/x
  3. Step 3: Cross multiply
    7,039.80x = 10,608.12 × 5,834.34
  4. Step 4: Simplify right side
    7,039.80x = 61,891,378.84
  5. Step 5: Solve for x
    x = 61,891,378.84/7,039.80
  6. Step 6: Final answer
    x = 8,791.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.