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Finding the Fourth Proportional to 8,331.84, 11,496.96 and 4,795.20

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Solution

The fourth proportional to 8,331.84, 11,496.96 and 4,795.20 is: 6,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.84 : 11,496.96 = 4,795.20 : x
  2. Step 2: Convert to fraction form
    8,331.84/11,496.96 = 4,795.20/x
  3. Step 3: Cross multiply
    8,331.84x = 11,496.96 × 4,795.20
  4. Step 4: Simplify right side
    8,331.84x = 55,130,222.59
  5. Step 5: Solve for x
    x = 55,130,222.59/8,331.84
  6. Step 6: Final answer
    x = 6,616.81

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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.