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Finding the Fourth Proportional to 47,203.72, 70,784.80 and 25,011.98

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Solution

The fourth proportional to 47,203.72, 70,784.80 and 25,011.98 is: 37,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,203.72 : 70,784.80 = 25,011.98 : x
  2. Step 2: Convert to fraction form
    47,203.72/70,784.80 = 25,011.98/x
  3. Step 3: Cross multiply
    47,203.72x = 70,784.80 × 25,011.98
  4. Step 4: Simplify right side
    47,203.72x = 1,770,468,001.90
  5. Step 5: Solve for x
    x = 1,770,468,001.90/47,203.72
  6. Step 6: Final answer
    x = 37,506.96

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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.