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Finding the Fourth Proportional to 70,792.77, 97,694.37 and 40,579.92

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Solution

The fourth proportional to 70,792.77, 97,694.37 and 40,579.92 is: 56,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,792.77 : 97,694.37 = 40,579.92 : x
  2. Step 2: Convert to fraction form
    70,792.77/97,694.37 = 40,579.92/x
  3. Step 3: Cross multiply
    70,792.77x = 97,694.37 × 40,579.92
  4. Step 4: Simplify right side
    70,792.77x = 3,964,429,719.05
  5. Step 5: Solve for x
    x = 3,964,429,719.05/70,792.77
  6. Step 6: Final answer
    x = 56,000.49

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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.