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Finding the Fourth Proportional to 64,235.79, 88,645.50 and 35,941.50

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Solution

The fourth proportional to 64,235.79, 88,645.50 and 35,941.50 is: 49,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,235.79 : 88,645.50 = 35,941.50 : x
  2. Step 2: Convert to fraction form
    64,235.79/88,645.50 = 35,941.50/x
  3. Step 3: Cross multiply
    64,235.79x = 88,645.50 × 35,941.50
  4. Step 4: Simplify right side
    64,235.79x = 3,186,052,238.25
  5. Step 5: Solve for x
    x = 3,186,052,238.25/64,235.79
  6. Step 6: Final answer
    x = 49,599.33

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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.