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Finding the Fourth Proportional to 58,987.01, 81,400.50 and 32,127.91

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Solution

The fourth proportional to 58,987.01, 81,400.50 and 32,127.91 is: 44,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,987.01 : 81,400.50 = 32,127.91 : x
  2. Step 2: Convert to fraction form
    58,987.01/81,400.50 = 32,127.91/x
  3. Step 3: Cross multiply
    58,987.01x = 81,400.50 × 32,127.91
  4. Step 4: Simplify right side
    58,987.01x = 2,615,227,734.45
  5. Step 5: Solve for x
    x = 2,615,227,734.45/58,987.01
  6. Step 6: Final answer
    x = 44,335.65

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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.