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Finding the Fourth Proportional to 64,205.25, 88,603.59 and 35,910.93

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Solution

The fourth proportional to 64,205.25, 88,603.59 and 35,910.93 is: 49,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,205.25 : 88,603.59 = 35,910.93 : x
  2. Step 2: Convert to fraction form
    64,205.25/88,603.59 = 35,910.93/x
  3. Step 3: Cross multiply
    64,205.25x = 88,603.59 × 35,910.93
  4. Step 4: Simplify right side
    64,205.25x = 3,181,837,318.24
  5. Step 5: Solve for x
    x = 3,181,837,318.24/64,205.25
  6. Step 6: Final answer
    x = 49,557.28

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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.