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Finding the Fourth Proportional to 63,365.86, 87,464.36 and 36,526.31

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Solution

The fourth proportional to 63,365.86, 87,464.36 and 36,526.31 is: 50,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,365.86 : 87,464.36 = 36,526.31 : x
  2. Step 2: Convert to fraction form
    63,365.86/87,464.36 = 36,526.31/x
  3. Step 3: Cross multiply
    63,365.86x = 87,464.36 × 36,526.31
  4. Step 4: Simplify right side
    63,365.86x = 3,194,749,707.36
  5. Step 5: Solve for x
    x = 3,194,749,707.36/63,365.86
  6. Step 6: Final answer
    x = 50,417.53

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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.