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Finding the Fourth Proportional to 34,648.50, 47,827.22 and 20,501.31

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Solution

The fourth proportional to 34,648.50, 47,827.22 and 20,501.31 is: 28,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,648.50 : 47,827.22 = 20,501.31 : x
  2. Step 2: Convert to fraction form
    34,648.50/47,827.22 = 20,501.31/x
  3. Step 3: Cross multiply
    34,648.50x = 47,827.22 × 20,501.31
  4. Step 4: Simplify right side
    34,648.50x = 980,520,663.66
  5. Step 5: Solve for x
    x = 980,520,663.66/34,648.50
  6. Step 6: Final answer
    x = 28,299.08

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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.