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Finding the Fourth Proportional to 66,524.00, 99,790.13 and 22,154.72

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Solution

The fourth proportional to 66,524.00, 99,790.13 and 22,154.72 is: 33,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.00 : 99,790.13 = 22,154.72 : x
  2. Step 2: Convert to fraction form
    66,524.00/99,790.13 = 22,154.72/x
  3. Step 3: Cross multiply
    66,524.00x = 99,790.13 × 22,154.72
  4. Step 4: Simplify right side
    66,524.00x = 2,210,821,945.35
  5. Step 5: Solve for x
    x = 2,210,821,945.35/66,524.00
  6. Step 6: Final answer
    x = 33,233.45

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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.