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Finding the Fourth Proportional to 64,405.50, 96,479.08 and 32,814.29

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Solution

The fourth proportional to 64,405.50, 96,479.08 and 32,814.29 is: 49,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,405.50 : 96,479.08 = 32,814.29 : x
  2. Step 2: Convert to fraction form
    64,405.50/96,479.08 = 32,814.29/x
  3. Step 3: Cross multiply
    64,405.50x = 96,479.08 × 32,814.29
  4. Step 4: Simplify right side
    64,405.50x = 3,165,891,945.62
  5. Step 5: Solve for x
    x = 3,165,891,945.62/64,405.50
  6. Step 6: Final answer
    x = 49,155.61

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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.