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Finding the Fourth Proportional to 38,987.92, 53,754.58 and 32,536.86

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Solution

The fourth proportional to 38,987.92, 53,754.58 and 32,536.86 is: 44,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.92 : 53,754.58 = 32,536.86 : x
  2. Step 2: Convert to fraction form
    38,987.92/53,754.58 = 32,536.86/x
  3. Step 3: Cross multiply
    38,987.92x = 53,754.58 × 32,536.86
  4. Step 4: Simplify right side
    38,987.92x = 1,749,005,243.82
  5. Step 5: Solve for x
    x = 1,749,005,243.82/38,987.92
  6. Step 6: Final answer
    x = 44,860.18

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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.