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Finding the Fourth Proportional to 60,662.44, 91,030.38 and 21,248.92

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Solution

The fourth proportional to 60,662.44, 91,030.38 and 21,248.92 is: 31,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,662.44 : 91,030.38 = 21,248.92 : x
  2. Step 2: Convert to fraction form
    60,662.44/91,030.38 = 21,248.92/x
  3. Step 3: Cross multiply
    60,662.44x = 91,030.38 × 21,248.92
  4. Step 4: Simplify right side
    60,662.44x = 1,934,297,262.19
  5. Step 5: Solve for x
    x = 1,934,297,262.19/60,662.44
  6. Step 6: Final answer
    x = 31,886.24

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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.