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Finding the Fourth Proportional to 64,611.03, 96,828.45 and 31,264.56

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Solution

The fourth proportional to 64,611.03, 96,828.45 and 31,264.56 is: 46,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.03 : 96,828.45 = 31,264.56 : x
  2. Step 2: Convert to fraction form
    64,611.03/96,828.45 = 31,264.56/x
  3. Step 3: Cross multiply
    64,611.03x = 96,828.45 × 31,264.56
  4. Step 4: Simplify right side
    64,611.03x = 3,027,298,884.73
  5. Step 5: Solve for x
    x = 3,027,298,884.73/64,611.03
  6. Step 6: Final answer
    x = 46,854.21

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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.