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Finding the Fourth Proportional to 63,041.36, 86,996 and 34,749.68

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Solution

The fourth proportional to 63,041.36, 86,996 and 34,749.68 is: 47,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,041.36 : 86,996 = 34,749.68 : x
  2. Step 2: Convert to fraction form
    63,041.36/86,996 = 34,749.68/x
  3. Step 3: Cross multiply
    63,041.36x = 86,996 × 34,749.68
  4. Step 4: Simplify right side
    63,041.36x = 3,023,083,161.28
  5. Step 5: Solve for x
    x = 3,023,083,161.28/63,041.36
  6. Step 6: Final answer
    x = 47,953.96

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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.