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Finding the Fourth Proportional to 48,240.78, 72,385.87 and 22,968.90

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Solution

The fourth proportional to 48,240.78, 72,385.87 and 22,968.90 is: 34,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.78 : 72,385.87 = 22,968.90 : x
  2. Step 2: Convert to fraction form
    48,240.78/72,385.87 = 22,968.90/x
  3. Step 3: Cross multiply
    48,240.78x = 72,385.87 × 22,968.90
  4. Step 4: Simplify right side
    48,240.78x = 1,662,623,809.44
  5. Step 5: Solve for x
    x = 1,662,623,809.44/48,240.78
  6. Step 6: Final answer
    x = 34,465.11

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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.