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Finding the Fourth Proportional to 6,561.74, 9,800.79 and 5,936.08

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Solution

The fourth proportional to 6,561.74, 9,800.79 and 5,936.08 is: 8,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.74 : 9,800.79 = 5,936.08 : x
  2. Step 2: Convert to fraction form
    6,561.74/9,800.79 = 5,936.08/x
  3. Step 3: Cross multiply
    6,561.74x = 9,800.79 × 5,936.08
  4. Step 4: Simplify right side
    6,561.74x = 58,178,261.81
  5. Step 5: Solve for x
    x = 58,178,261.81/6,561.74
  6. Step 6: Final answer
    x = 8,866.29

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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.