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Finding the Fourth Proportional to 17,800.55, 26,679.46 and 8,300.06

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Solution

The fourth proportional to 17,800.55, 26,679.46 and 8,300.06 is: 12,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.55 : 26,679.46 = 8,300.06 : x
  2. Step 2: Convert to fraction form
    17,800.55/26,679.46 = 8,300.06/x
  3. Step 3: Cross multiply
    17,800.55x = 26,679.46 × 8,300.06
  4. Step 4: Simplify right side
    17,800.55x = 221,441,118.77
  5. Step 5: Solve for x
    x = 221,441,118.77/17,800.55
  6. Step 6: Final answer
    x = 12,440.13

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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.