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Finding the Fourth Proportional to 40,873.22, 61,310.03 and 12,410.42

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Solution

The fourth proportional to 40,873.22, 61,310.03 and 12,410.42 is: 18,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,873.22 : 61,310.03 = 12,410.42 : x
  2. Step 2: Convert to fraction form
    40,873.22/61,310.03 = 12,410.42/x
  3. Step 3: Cross multiply
    40,873.22x = 61,310.03 × 12,410.42
  4. Step 4: Simplify right side
    40,873.22x = 760,883,222.51
  5. Step 5: Solve for x
    x = 760,883,222.51/40,873.22
  6. Step 6: Final answer
    x = 18,615.69

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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.