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Finding the Fourth Proportional to 8,798.49, 12,150 and 5,660.01

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Solution

The fourth proportional to 8,798.49, 12,150 and 5,660.01 is: 7,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.49 : 12,150 = 5,660.01 : x
  2. Step 2: Convert to fraction form
    8,798.49/12,150 = 5,660.01/x
  3. Step 3: Cross multiply
    8,798.49x = 12,150 × 5,660.01
  4. Step 4: Simplify right side
    8,798.49x = 68,769,121.50
  5. Step 5: Solve for x
    x = 68,769,121.50/8,798.49
  6. Step 6: Final answer
    x = 7,816.01

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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.