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Finding the Fourth Proportional to 35,462.76, 53,212.76 and 15,755.44

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Solution

The fourth proportional to 35,462.76, 53,212.76 and 15,755.44 is: 23,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,462.76 : 53,212.76 = 15,755.44 : x
  2. Step 2: Convert to fraction form
    35,462.76/53,212.76 = 15,755.44/x
  3. Step 3: Cross multiply
    35,462.76x = 53,212.76 × 15,755.44
  4. Step 4: Simplify right side
    35,462.76x = 838,390,447.41
  5. Step 5: Solve for x
    x = 838,390,447.41/35,462.76
  6. Step 6: Final answer
    x = 23,641.43

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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.