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Finding the Fourth Proportional to 7,092.92, 9,783.79 and 5,100.32

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Solution

The fourth proportional to 7,092.92, 9,783.79 and 5,100.32 is: 7,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.92 : 9,783.79 = 5,100.32 : x
  2. Step 2: Convert to fraction form
    7,092.92/9,783.79 = 5,100.32/x
  3. Step 3: Cross multiply
    7,092.92x = 9,783.79 × 5,100.32
  4. Step 4: Simplify right side
    7,092.92x = 49,900,398.14
  5. Step 5: Solve for x
    x = 49,900,398.14/7,092.92
  6. Step 6: Final answer
    x = 7,035.25

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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.