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Finding the Fourth Proportional to 64,110.36, 88,471.80 and 35,431.95

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Solution

The fourth proportional to 64,110.36, 88,471.80 and 35,431.95 is: 48,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,110.36 : 88,471.80 = 35,431.95 : x
  2. Step 2: Convert to fraction form
    64,110.36/88,471.80 = 35,431.95/x
  3. Step 3: Cross multiply
    64,110.36x = 88,471.80 × 35,431.95
  4. Step 4: Simplify right side
    64,110.36x = 3,134,728,394.01
  5. Step 5: Solve for x
    x = 3,134,728,394.01/64,110.36
  6. Step 6: Final answer
    x = 48,895.82

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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.