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Finding the Fourth Proportional to 69,719.00, 96,212.84 and 37,887.90

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Solution

The fourth proportional to 69,719.00, 96,212.84 and 37,887.90 is: 52,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,719.00 : 96,212.84 = 37,887.90 : x
  2. Step 2: Convert to fraction form
    69,719.00/96,212.84 = 37,887.90/x
  3. Step 3: Cross multiply
    69,719.00x = 96,212.84 × 37,887.90
  4. Step 4: Simplify right side
    69,719.00x = 3,645,302,271.20
  5. Step 5: Solve for x
    x = 3,645,302,271.20/69,719.00
  6. Step 6: Final answer
    x = 52,285.63

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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.