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Finding the Fourth Proportional to 34,113.48, 47,073.48 and 19,967.40

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Solution

The fourth proportional to 34,113.48, 47,073.48 and 19,967.40 is: 27,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,113.48 : 47,073.48 = 19,967.40 : x
  2. Step 2: Convert to fraction form
    34,113.48/47,073.48 = 19,967.40/x
  3. Step 3: Cross multiply
    34,113.48x = 47,073.48 × 19,967.40
  4. Step 4: Simplify right side
    34,113.48x = 939,935,004.55
  5. Step 5: Solve for x
    x = 939,935,004.55/34,113.48
  6. Step 6: Final answer
    x = 27,553.18

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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.