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Finding the Fourth Proportional to 69,607, 96,057.12 and 37,775.96

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Solution

The fourth proportional to 69,607, 96,057.12 and 37,775.96 is: 52,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,607 : 96,057.12 = 37,775.96 : x
  2. Step 2: Convert to fraction form
    69,607/96,057.12 = 37,775.96/x
  3. Step 3: Cross multiply
    69,607x = 96,057.12 × 37,775.96
  4. Step 4: Simplify right side
    69,607x = 3,628,649,922.84
  5. Step 5: Solve for x
    x = 3,628,649,922.84/69,607
  6. Step 6: Final answer
    x = 52,130.53

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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.