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Finding the Fourth Proportional to 53,565.34, 73,912.40 and 29,692

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Solution

The fourth proportional to 53,565.34, 73,912.40 and 29,692 is: 40,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.34 : 73,912.40 = 29,692 : x
  2. Step 2: Convert to fraction form
    53,565.34/73,912.40 = 29,692/x
  3. Step 3: Cross multiply
    53,565.34x = 73,912.40 × 29,692
  4. Step 4: Simplify right side
    53,565.34x = 2,194,606,980.80
  5. Step 5: Solve for x
    x = 2,194,606,980.80/53,565.34
  6. Step 6: Final answer
    x = 40,970.65

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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.