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Finding the Fourth Proportional to 7,373.70, 10,998.54 and 6,709.32

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Solution

The fourth proportional to 7,373.70, 10,998.54 and 6,709.32 is: 10,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.70 : 10,998.54 = 6,709.32 : x
  2. Step 2: Convert to fraction form
    7,373.70/10,998.54 = 6,709.32/x
  3. Step 3: Cross multiply
    7,373.70x = 10,998.54 × 6,709.32
  4. Step 4: Simplify right side
    7,373.70x = 73,792,724.39
  5. Step 5: Solve for x
    x = 73,792,724.39/7,373.70
  6. Step 6: Final answer
    x = 10,007.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.