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Finding the Fourth Proportional to 66,232.38, 91,401.11 and 36,018.03

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Solution

The fourth proportional to 66,232.38, 91,401.11 and 36,018.03 is: 49,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.38 : 91,401.11 = 36,018.03 : x
  2. Step 2: Convert to fraction form
    66,232.38/91,401.11 = 36,018.03/x
  3. Step 3: Cross multiply
    66,232.38x = 91,401.11 × 36,018.03
  4. Step 4: Simplify right side
    66,232.38x = 3,292,088,012.06
  5. Step 5: Solve for x
    x = 3,292,088,012.06/66,232.38
  6. Step 6: Final answer
    x = 49,705.11

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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.