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Finding the Fourth Proportional to 62,695.73, 93,971.15 and 28,891.08

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Solution

The fourth proportional to 62,695.73, 93,971.15 and 28,891.08 is: 43,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,695.73 : 93,971.15 = 28,891.08 : x
  2. Step 2: Convert to fraction form
    62,695.73/93,971.15 = 28,891.08/x
  3. Step 3: Cross multiply
    62,695.73x = 93,971.15 × 28,891.08
  4. Step 4: Simplify right side
    62,695.73x = 2,714,927,976.23
  5. Step 5: Solve for x
    x = 2,714,927,976.23/62,695.73
  6. Step 6: Final answer
    x = 43,303.23

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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.