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Finding the Fourth Proportional to 48,765.78, 67,296.96 and 26,409.78

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Solution

The fourth proportional to 48,765.78, 67,296.96 and 26,409.78 is: 36,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,765.78 : 67,296.96 = 26,409.78 : x
  2. Step 2: Convert to fraction form
    48,765.78/67,296.96 = 26,409.78/x
  3. Step 3: Cross multiply
    48,765.78x = 67,296.96 × 26,409.78
  4. Step 4: Simplify right side
    48,765.78x = 1,777,297,908.27
  5. Step 5: Solve for x
    x = 1,777,297,908.27/48,765.78
  6. Step 6: Final answer
    x = 36,445.60

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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.