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Finding the Fourth Proportional to 17,883.16, 26,825.95 and 8,521.58

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Solution

The fourth proportional to 17,883.16, 26,825.95 and 8,521.58 is: 12,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,883.16 : 26,825.95 = 8,521.58 : x
  2. Step 2: Convert to fraction form
    17,883.16/26,825.95 = 8,521.58/x
  3. Step 3: Cross multiply
    17,883.16x = 26,825.95 × 8,521.58
  4. Step 4: Simplify right side
    17,883.16x = 228,599,479.00
  5. Step 5: Solve for x
    x = 228,599,479.00/17,883.16
  6. Step 6: Final answer
    x = 12,782.95

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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.