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Finding the Fourth Proportional to 66,222.84, 91,388.66 and 36,008.37

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Solution

The fourth proportional to 66,222.84, 91,388.66 and 36,008.37 is: 49,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.84 : 91,388.66 = 36,008.37 : x
  2. Step 2: Convert to fraction form
    66,222.84/91,388.66 = 36,008.37/x
  3. Step 3: Cross multiply
    66,222.84x = 91,388.66 × 36,008.37
  4. Step 4: Simplify right side
    66,222.84x = 3,290,756,683.08
  5. Step 5: Solve for x
    x = 3,290,756,683.08/66,222.84
  6. Step 6: Final answer
    x = 49,692.17

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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.