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Finding the Fourth Proportional to 23,393.72, 32,274.78 and 15,015.08

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Solution

The fourth proportional to 23,393.72, 32,274.78 and 15,015.08 is: 20,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,393.72 : 32,274.78 = 15,015.08 : x
  2. Step 2: Convert to fraction form
    23,393.72/32,274.78 = 15,015.08/x
  3. Step 3: Cross multiply
    23,393.72x = 32,274.78 × 15,015.08
  4. Step 4: Simplify right side
    23,393.72x = 484,608,403.68
  5. Step 5: Solve for x
    x = 484,608,403.68/23,393.72
  6. Step 6: Final answer
    x = 20,715.32

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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.