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Finding the Fourth Proportional to 17,455.84, 26,197.08 and 8,698.12

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Solution

The fourth proportional to 17,455.84, 26,197.08 and 8,698.12 is: 13,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.84 : 26,197.08 = 8,698.12 : x
  2. Step 2: Convert to fraction form
    17,455.84/26,197.08 = 8,698.12/x
  3. Step 3: Cross multiply
    17,455.84x = 26,197.08 × 8,698.12
  4. Step 4: Simplify right side
    17,455.84x = 227,865,345.49
  5. Step 5: Solve for x
    x = 227,865,345.49/17,455.84
  6. Step 6: Final answer
    x = 13,053.82

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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.