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Finding the Fourth Proportional to 47,092.76, 70,637.31 and 15,928.01

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Solution

The fourth proportional to 47,092.76, 70,637.31 and 15,928.01 is: 23,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,092.76 : 70,637.31 = 15,928.01 : x
  2. Step 2: Convert to fraction form
    47,092.76/70,637.31 = 15,928.01/x
  3. Step 3: Cross multiply
    47,092.76x = 70,637.31 × 15,928.01
  4. Step 4: Simplify right side
    47,092.76x = 1,125,111,426.87
  5. Step 5: Solve for x
    x = 1,125,111,426.87/47,092.76
  6. Step 6: Final answer
    x = 23,891.39

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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.