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Finding the Fourth Proportional to 55,079, 76,009.02 and 32,723

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Solution

The fourth proportional to 55,079, 76,009.02 and 32,723 is: 45,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079 : 76,009.02 = 32,723 : x
  2. Step 2: Convert to fraction form
    55,079/76,009.02 = 32,723/x
  3. Step 3: Cross multiply
    55,079x = 76,009.02 × 32,723
  4. Step 4: Simplify right side
    55,079x = 2,487,243,161.46
  5. Step 5: Solve for x
    x = 2,487,243,161.46/55,079
  6. Step 6: Final answer
    x = 45,157.74

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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.