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Finding the Fourth Proportional to 63,023.86, 86,971.81 and 34,343.77

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Solution

The fourth proportional to 63,023.86, 86,971.81 and 34,343.77 is: 47,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,023.86 : 86,971.81 = 34,343.77 : x
  2. Step 2: Convert to fraction form
    63,023.86/86,971.81 = 34,343.77/x
  3. Step 3: Cross multiply
    63,023.86x = 86,971.81 × 34,343.77
  4. Step 4: Simplify right side
    63,023.86x = 2,986,939,839.12
  5. Step 5: Solve for x
    x = 2,986,939,839.12/63,023.86
  6. Step 6: Final answer
    x = 47,393.79

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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.