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Finding the Fourth Proportional to 50,904.71, 70,237.22 and 29,389.79

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Solution

The fourth proportional to 50,904.71, 70,237.22 and 29,389.79 is: 40,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,904.71 : 70,237.22 = 29,389.79 : x
  2. Step 2: Convert to fraction form
    50,904.71/70,237.22 = 29,389.79/x
  3. Step 3: Cross multiply
    50,904.71x = 70,237.22 × 29,389.79
  4. Step 4: Simplify right side
    50,904.71x = 2,064,256,999.03
  5. Step 5: Solve for x
    x = 2,064,256,999.03/50,904.71
  6. Step 6: Final answer
    x = 40,551.39

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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.