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Finding the Fourth Proportional to 51,345.96, 76,985.72 and 33,762.48

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Solution

The fourth proportional to 51,345.96, 76,985.72 and 33,762.48 is: 50,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.96 : 76,985.72 = 33,762.48 : x
  2. Step 2: Convert to fraction form
    51,345.96/76,985.72 = 33,762.48/x
  3. Step 3: Cross multiply
    51,345.96x = 76,985.72 × 33,762.48
  4. Step 4: Simplify right side
    51,345.96x = 2,599,228,831.79
  5. Step 5: Solve for x
    x = 2,599,228,831.79/51,345.96
  6. Step 6: Final answer
    x = 50,621.88

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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.