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Finding the Fourth Proportional to 64,357.86, 88,816.25 and 36,062.50

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Solution

The fourth proportional to 64,357.86, 88,816.25 and 36,062.50 is: 49,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.86 : 88,816.25 = 36,062.50 : x
  2. Step 2: Convert to fraction form
    64,357.86/88,816.25 = 36,062.50/x
  3. Step 3: Cross multiply
    64,357.86x = 88,816.25 × 36,062.50
  4. Step 4: Simplify right side
    64,357.86x = 3,202,936,015.63
  5. Step 5: Solve for x
    x = 3,202,936,015.63/64,357.86
  6. Step 6: Final answer
    x = 49,767.60

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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.