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Finding the Fourth Proportional to 63,255, 94,896.88 and 21,699.48

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Solution

The fourth proportional to 63,255, 94,896.88 and 21,699.48 is: 32,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,255 : 94,896.88 = 21,699.48 : x
  2. Step 2: Convert to fraction form
    63,255/94,896.88 = 21,699.48/x
  3. Step 3: Cross multiply
    63,255x = 94,896.88 × 21,699.48
  4. Step 4: Simplify right side
    63,255x = 2,059,212,949.62
  5. Step 5: Solve for x
    x = 2,059,212,949.62/63,255
  6. Step 6: Final answer
    x = 32,554.15

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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.