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Finding the Fourth Proportional to 70,024.40, 105,043.13 and 27,894.27

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Solution

The fourth proportional to 70,024.40, 105,043.13 and 27,894.27 is: 41,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,024.40 : 105,043.13 = 27,894.27 : x
  2. Step 2: Convert to fraction form
    70,024.40/105,043.13 = 27,894.27/x
  3. Step 3: Cross multiply
    70,024.40x = 105,043.13 × 27,894.27
  4. Step 4: Simplify right side
    70,024.40x = 2,930,101,788.91
  5. Step 5: Solve for x
    x = 2,930,101,788.91/70,024.40
  6. Step 6: Final answer
    x = 41,844.01

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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.