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Finding the Fourth Proportional to 66,552.84, 91,832.09 and 39,325.14

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Solution

The fourth proportional to 66,552.84, 91,832.09 and 39,325.14 is: 54,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.84 : 91,832.09 = 39,325.14 : x
  2. Step 2: Convert to fraction form
    66,552.84/91,832.09 = 39,325.14/x
  3. Step 3: Cross multiply
    66,552.84x = 91,832.09 × 39,325.14
  4. Step 4: Simplify right side
    66,552.84x = 3,611,309,795.74
  5. Step 5: Solve for x
    x = 3,611,309,795.74/66,552.84
  6. Step 6: Final answer
    x = 54,262.29

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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.