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Finding the Fourth Proportional to 64,379.81, 88,848.24 and 36,085.50

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Solution

The fourth proportional to 64,379.81, 88,848.24 and 36,085.50 is: 49,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.81 : 88,848.24 = 36,085.50 : x
  2. Step 2: Convert to fraction form
    64,379.81/88,848.24 = 36,085.50/x
  3. Step 3: Cross multiply
    64,379.81x = 88,848.24 × 36,085.50
  4. Step 4: Simplify right side
    64,379.81x = 3,206,133,232.18
  5. Step 5: Solve for x
    x = 3,206,133,232.18/64,379.81
  6. Step 6: Final answer
    x = 49,800.29

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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.