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Finding the Fourth Proportional to 55,095.50, 76,031.79 and 32,739.50

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Solution

The fourth proportional to 55,095.50, 76,031.79 and 32,739.50 is: 45,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,095.50 : 76,031.79 = 32,739.50 : x
  2. Step 2: Convert to fraction form
    55,095.50/76,031.79 = 32,739.50/x
  3. Step 3: Cross multiply
    55,095.50x = 76,031.79 × 32,739.50
  4. Step 4: Simplify right side
    55,095.50x = 2,489,242,788.71
  5. Step 5: Solve for x
    x = 2,489,242,788.71/55,095.50
  6. Step 6: Final answer
    x = 45,180.51

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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.