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Finding the Fourth Proportional to 6,707.93, 10,066.95 and 3,423.78

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Solution

The fourth proportional to 6,707.93, 10,066.95 and 3,423.78 is: 5,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.93 : 10,066.95 = 3,423.78 : x
  2. Step 2: Convert to fraction form
    6,707.93/10,066.95 = 3,423.78/x
  3. Step 3: Cross multiply
    6,707.93x = 10,066.95 × 3,423.78
  4. Step 4: Simplify right side
    6,707.93x = 34,467,022.07
  5. Step 5: Solve for x
    x = 34,467,022.07/6,707.93
  6. Step 6: Final answer
    x = 5,138.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.