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Finding the Fourth Proportional to 66,233.64, 91,403.03 and 36,019.24

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Solution

The fourth proportional to 66,233.64, 91,403.03 and 36,019.24 is: 49,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.64 : 91,403.03 = 36,019.24 : x
  2. Step 2: Convert to fraction form
    66,233.64/91,403.03 = 36,019.24/x
  3. Step 3: Cross multiply
    66,233.64x = 91,403.03 × 36,019.24
  4. Step 4: Simplify right side
    66,233.64x = 3,292,267,494.20
  5. Step 5: Solve for x
    x = 3,292,267,494.20/66,233.64
  6. Step 6: Final answer
    x = 49,706.88

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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.