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Finding the Fourth Proportional to 6,998.92, 9,660.54 and 5,592.40

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Solution

The fourth proportional to 6,998.92, 9,660.54 and 5,592.40 is: 7,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.92 : 9,660.54 = 5,592.40 : x
  2. Step 2: Convert to fraction form
    6,998.92/9,660.54 = 5,592.40/x
  3. Step 3: Cross multiply
    6,998.92x = 9,660.54 × 5,592.40
  4. Step 4: Simplify right side
    6,998.92x = 54,025,603.90
  5. Step 5: Solve for x
    x = 54,025,603.90/6,998.92
  6. Step 6: Final answer
    x = 7,719.13

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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.