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Finding the Fourth Proportional to 64,048.96, 96,132.04 and 32,480.81

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Solution

The fourth proportional to 64,048.96, 96,132.04 and 32,480.81 is: 48,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048.96 : 96,132.04 = 32,480.81 : x
  2. Step 2: Convert to fraction form
    64,048.96/96,132.04 = 32,480.81/x
  3. Step 3: Cross multiply
    64,048.96x = 96,132.04 × 32,480.81
  4. Step 4: Simplify right side
    64,048.96x = 3,122,446,685.28
  5. Step 5: Solve for x
    x = 3,122,446,685.28/64,048.96
  6. Step 6: Final answer
    x = 48,750.93

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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.