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Finding the Fourth Proportional to 6,706.11, 10,119.47 and 6,474.45

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Solution

The fourth proportional to 6,706.11, 10,119.47 and 6,474.45 is: 9,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,706.11 : 10,119.47 = 6,474.45 : x
  2. Step 2: Convert to fraction form
    6,706.11/10,119.47 = 6,474.45/x
  3. Step 3: Cross multiply
    6,706.11x = 10,119.47 × 6,474.45
  4. Step 4: Simplify right side
    6,706.11x = 65,518,018.73
  5. Step 5: Solve for x
    x = 65,518,018.73/6,706.11
  6. Step 6: Final answer
    x = 9,769.90

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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.