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Finding the Fourth Proportional to 48,256.80, 72,390.60 and 14,976.60

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Solution

The fourth proportional to 48,256.80, 72,390.60 and 14,976.60 is: 22,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,256.80 : 72,390.60 = 14,976.60 : x
  2. Step 2: Convert to fraction form
    48,256.80/72,390.60 = 14,976.60/x
  3. Step 3: Cross multiply
    48,256.80x = 72,390.60 × 14,976.60
  4. Step 4: Simplify right side
    48,256.80x = 1,084,165,059.96
  5. Step 5: Solve for x
    x = 1,084,165,059.96/48,256.80
  6. Step 6: Final answer
    x = 22,466.58

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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.