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Finding the Fourth Proportional to 64,611.30, 96,853.68 and 36,162.15

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Solution

The fourth proportional to 64,611.30, 96,853.68 and 36,162.15 is: 54,207.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.30 : 96,853.68 = 36,162.15 : x
  2. Step 2: Convert to fraction form
    64,611.30/96,853.68 = 36,162.15/x
  3. Step 3: Cross multiply
    64,611.30x = 96,853.68 × 36,162.15
  4. Step 4: Simplify right side
    64,611.30x = 3,502,437,304.21
  5. Step 5: Solve for x
    x = 3,502,437,304.21/64,611.30
  6. Step 6: Final answer
    x = 54,207.81

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1.5x scale

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.