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Finding the Fourth Proportional to 40,895,728.90, 61,237,305.15 and 32,321,814.10

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Solution

The fourth proportional to 40,895,728.90, 61,237,305.15 and 32,321,814.10 is: 48,398,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895,728.90 : 61,237,305.15 = 32,321,814.10 : x
  2. Step 2: Convert to fraction form
    40,895,728.90/61,237,305.15 = 32,321,814.10/x
  3. Step 3: Cross multiply
    40,895,728.90x = 61,237,305.15 × 32,321,814.10
  4. Step 4: Simplify right side
    40,895,728.90x = 1,979,300,793,043,272.75
  5. Step 5: Solve for x
    x = 1,979,300,793,043,272.75/40,895,728.90
  6. Step 6: Final answer
    x = 48,398,716.60

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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.