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Finding the Fourth Proportional to 36,663.84, 54,995.67 and 8,961.84

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Solution

The fourth proportional to 36,663.84, 54,995.67 and 8,961.84 is: 13,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,663.84 : 54,995.67 = 8,961.84 : x
  2. Step 2: Convert to fraction form
    36,663.84/54,995.67 = 8,961.84/x
  3. Step 3: Cross multiply
    36,663.84x = 54,995.67 × 8,961.84
  4. Step 4: Simplify right side
    36,663.84x = 492,862,395.23
  5. Step 5: Solve for x
    x = 492,862,395.23/36,663.84
  6. Step 6: Final answer
    x = 13,442.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.