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Finding the Fourth Proportional to 34,236.76, 47,242 and 19,127.53

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Solution

The fourth proportional to 34,236.76, 47,242 and 19,127.53 is: 26,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236.76 : 47,242 = 19,127.53 : x
  2. Step 2: Convert to fraction form
    34,236.76/47,242 = 19,127.53/x
  3. Step 3: Cross multiply
    34,236.76x = 47,242 × 19,127.53
  4. Step 4: Simplify right side
    34,236.76x = 903,622,772.26
  5. Step 5: Solve for x
    x = 903,622,772.26/34,236.76
  6. Step 6: Final answer
    x = 26,393.35

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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.