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Finding the Fourth Proportional to 29,559.44, 40,795.98 and 18,951.68

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Solution

The fourth proportional to 29,559.44, 40,795.98 and 18,951.68 is: 26,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.44 : 40,795.98 = 18,951.68 : x
  2. Step 2: Convert to fraction form
    29,559.44/40,795.98 = 18,951.68/x
  3. Step 3: Cross multiply
    29,559.44x = 40,795.98 × 18,951.68
  4. Step 4: Simplify right side
    29,559.44x = 773,152,358.25
  5. Step 5: Solve for x
    x = 773,152,358.25/29,559.44
  6. Step 6: Final answer
    x = 26,155.85

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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.