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Finding the Fourth Proportional to 17,652.56, 24,336.72 and 15,123.74

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Solution

The fourth proportional to 17,652.56, 24,336.72 and 15,123.74 is: 20,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.56 : 24,336.72 = 15,123.74 : x
  2. Step 2: Convert to fraction form
    17,652.56/24,336.72 = 15,123.74/x
  3. Step 3: Cross multiply
    17,652.56x = 24,336.72 × 15,123.74
  4. Step 4: Simplify right side
    17,652.56x = 368,062,104.05
  5. Step 5: Solve for x
    x = 368,062,104.05/17,652.56
  6. Step 6: Final answer
    x = 20,850.36

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Half scale
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Double scale
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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.