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Finding the Fourth Proportional to 53,489.63, 73,748.69 and 34,335.61

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Solution

The fourth proportional to 53,489.63, 73,748.69 and 34,335.61 is: 47,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.63 : 73,748.69 = 34,335.61 : x
  2. Step 2: Convert to fraction form
    53,489.63/73,748.69 = 34,335.61/x
  3. Step 3: Cross multiply
    53,489.63x = 73,748.69 × 34,335.61
  4. Step 4: Simplify right side
    53,489.63x = 2,532,206,638.53
  5. Step 5: Solve for x
    x = 2,532,206,638.53/53,489.63
  6. Step 6: Final answer
    x = 47,340.14

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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.