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Finding the Fourth Proportional to 17,953.32, 26,930.98 and 5,473.76

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Solution

The fourth proportional to 17,953.32, 26,930.98 and 5,473.76 is: 8,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.32 : 26,930.98 = 5,473.76 : x
  2. Step 2: Convert to fraction form
    17,953.32/26,930.98 = 5,473.76/x
  3. Step 3: Cross multiply
    17,953.32x = 26,930.98 × 5,473.76
  4. Step 4: Simplify right side
    17,953.32x = 147,413,721.08
  5. Step 5: Solve for x
    x = 147,413,721.08/17,953.32
  6. Step 6: Final answer
    x = 8,210.94

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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.