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Finding the Fourth Proportional to 17,393.52, 26,043.84 and 9,986.88

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Solution

The fourth proportional to 17,393.52, 26,043.84 and 9,986.88 is: 14,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.52 : 26,043.84 = 9,986.88 : x
  2. Step 2: Convert to fraction form
    17,393.52/26,043.84 = 9,986.88/x
  3. Step 3: Cross multiply
    17,393.52x = 26,043.84 × 9,986.88
  4. Step 4: Simplify right side
    17,393.52x = 260,096,704.82
  5. Step 5: Solve for x
    x = 260,096,704.82/17,393.52
  6. Step 6: Final answer
    x = 14,953.66

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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.