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Finding the Fourth Proportional to 45,751.60, 68,652.78 and 22,378.24

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Solution

The fourth proportional to 45,751.60, 68,652.78 and 22,378.24 is: 33,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,751.60 : 68,652.78 = 22,378.24 : x
  2. Step 2: Convert to fraction form
    45,751.60/68,652.78 = 22,378.24/x
  3. Step 3: Cross multiply
    45,751.60x = 68,652.78 × 22,378.24
  4. Step 4: Simplify right side
    45,751.60x = 1,536,328,387.51
  5. Step 5: Solve for x
    x = 1,536,328,387.51/45,751.60
  6. Step 6: Final answer
    x = 33,579.77

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1.5x scale

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.