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Finding the Fourth Proportional to 47,159.37, 70,724.04 and 15,563.55

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Solution

The fourth proportional to 47,159.37, 70,724.04 and 15,563.55 is: 23,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.37 : 70,724.04 = 15,563.55 : x
  2. Step 2: Convert to fraction form
    47,159.37/70,724.04 = 15,563.55/x
  3. Step 3: Cross multiply
    47,159.37x = 70,724.04 × 15,563.55
  4. Step 4: Simplify right side
    47,159.37x = 1,100,717,132.74
  5. Step 5: Solve for x
    x = 1,100,717,132.74/47,159.37
  6. Step 6: Final answer
    x = 23,340.37

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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.