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Finding the Fourth Proportional to 63,342.72, 94,979 and 25,929.08

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Solution

The fourth proportional to 63,342.72, 94,979 and 25,929.08 is: 38,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,342.72 : 94,979 = 25,929.08 : x
  2. Step 2: Convert to fraction form
    63,342.72/94,979 = 25,929.08/x
  3. Step 3: Cross multiply
    63,342.72x = 94,979 × 25,929.08
  4. Step 4: Simplify right side
    63,342.72x = 2,462,718,089.32
  5. Step 5: Solve for x
    x = 2,462,718,089.32/63,342.72
  6. Step 6: Final answer
    x = 38,879.26

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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.