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Finding the Fourth Proportional to 53,570, 73,924.56 and 29,697.04

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Solution

The fourth proportional to 53,570, 73,924.56 and 29,697.04 is: 40,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,570 : 73,924.56 = 29,697.04 : x
  2. Step 2: Convert to fraction form
    53,570/73,924.56 = 29,697.04/x
  3. Step 3: Cross multiply
    53,570x = 73,924.56 × 29,697.04
  4. Step 4: Simplify right side
    53,570x = 2,195,340,615.30
  5. Step 5: Solve for x
    x = 2,195,340,615.30/53,570
  6. Step 6: Final answer
    x = 40,980.78

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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.