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Finding the Fourth Proportional to 60,675.83, 91,054.74 and 21,233.28

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Solution

The fourth proportional to 60,675.83, 91,054.74 and 21,233.28 is: 31,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.83 : 91,054.74 = 21,233.28 : x
  2. Step 2: Convert to fraction form
    60,675.83/91,054.74 = 21,233.28/x
  3. Step 3: Cross multiply
    60,675.83x = 91,054.74 × 21,233.28
  4. Step 4: Simplify right side
    60,675.83x = 1,933,390,789.75
  5. Step 5: Solve for x
    x = 1,933,390,789.75/60,675.83
  6. Step 6: Final answer
    x = 31,864.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.