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Finding the Fourth Proportional to 34,768.92, 47,981.04 and 18,853.32

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Solution

The fourth proportional to 34,768.92, 47,981.04 and 18,853.32 is: 26,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.92 : 47,981.04 = 18,853.32 : x
  2. Step 2: Convert to fraction form
    34,768.92/47,981.04 = 18,853.32/x
  3. Step 3: Cross multiply
    34,768.92x = 47,981.04 × 18,853.32
  4. Step 4: Simplify right side
    34,768.92x = 904,601,901.05
  5. Step 5: Solve for x
    x = 904,601,901.05/34,768.92
  6. Step 6: Final answer
    x = 26,017.54

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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.