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Finding the Fourth Proportional to 64,470.48, 96,853.98 and 45,795.96

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Solution

The fourth proportional to 64,470.48, 96,853.98 and 45,795.96 is: 68,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470.48 : 96,853.98 = 45,795.96 : x
  2. Step 2: Convert to fraction form
    64,470.48/96,853.98 = 45,795.96/x
  3. Step 3: Cross multiply
    64,470.48x = 96,853.98 × 45,795.96
  4. Step 4: Simplify right side
    64,470.48x = 4,435,520,993.92
  5. Step 5: Solve for x
    x = 4,435,520,993.92/64,470.48
  6. Step 6: Final answer
    x = 68,799.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.