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Finding the Fourth Proportional to 44,637.92, 66,955.04 and 18,342

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Solution

The fourth proportional to 44,637.92, 66,955.04 and 18,342 is: 27,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,637.92 : 66,955.04 = 18,342 : x
  2. Step 2: Convert to fraction form
    44,637.92/66,955.04 = 18,342/x
  3. Step 3: Cross multiply
    44,637.92x = 66,955.04 × 18,342
  4. Step 4: Simplify right side
    44,637.92x = 1,228,089,343.68
  5. Step 5: Solve for x
    x = 1,228,089,343.68/44,637.92
  6. Step 6: Final answer
    x = 27,512.24

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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.