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Finding the Fourth Proportional to 34,713.52, 47,905.01 and 18,798.31

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Solution

The fourth proportional to 34,713.52, 47,905.01 and 18,798.31 is: 25,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,713.52 : 47,905.01 = 18,798.31 : x
  2. Step 2: Convert to fraction form
    34,713.52/47,905.01 = 18,798.31/x
  3. Step 3: Cross multiply
    34,713.52x = 47,905.01 × 18,798.31
  4. Step 4: Simplify right side
    34,713.52x = 900,533,228.53
  5. Step 5: Solve for x
    x = 900,533,228.53/34,713.52
  6. Step 6: Final answer
    x = 25,941.86

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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.