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Finding the Fourth Proportional to 71,190.97, 106,802.65 and 37,893.49

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Solution

The fourth proportional to 71,190.97, 106,802.65 and 37,893.49 is: 56,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,190.97 : 106,802.65 = 37,893.49 : x
  2. Step 2: Convert to fraction form
    71,190.97/106,802.65 = 37,893.49/x
  3. Step 3: Cross multiply
    71,190.97x = 106,802.65 × 37,893.49
  4. Step 4: Simplify right side
    71,190.97x = 4,047,124,930.11
  5. Step 5: Solve for x
    x = 4,047,124,930.11/71,190.97
  6. Step 6: Final answer
    x = 56,848.85

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1.5x scale

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.