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Finding the Fourth Proportional to 56,193.30, 77,388.89 and 54,968.58

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Solution

The fourth proportional to 56,193.30, 77,388.89 and 54,968.58 is: 75,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,193.30 : 77,388.89 = 54,968.58 : x
  2. Step 2: Convert to fraction form
    56,193.30/77,388.89 = 54,968.58/x
  3. Step 3: Cross multiply
    56,193.30x = 77,388.89 × 54,968.58
  4. Step 4: Simplify right side
    56,193.30x = 4,253,957,116.23
  5. Step 5: Solve for x
    x = 4,253,957,116.23/56,193.30
  6. Step 6: Final answer
    x = 75,702.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.