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Finding the Fourth Proportional to 17,953.76, 26,929.56 and 8,089.04

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Solution

The fourth proportional to 17,953.76, 26,929.56 and 8,089.04 is: 12,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.76 : 26,929.56 = 8,089.04 : x
  2. Step 2: Convert to fraction form
    17,953.76/26,929.56 = 8,089.04/x
  3. Step 3: Cross multiply
    17,953.76x = 26,929.56 × 8,089.04
  4. Step 4: Simplify right side
    17,953.76x = 217,834,288.02
  5. Step 5: Solve for x
    x = 217,834,288.02/17,953.76
  6. Step 6: Final answer
    x = 12,133.07

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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.