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Finding the Fourth Proportional to 17,822.06, 26,715.44 and 8,445.50

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Solution

The fourth proportional to 17,822.06, 26,715.44 and 8,445.50 is: 12,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,822.06 : 26,715.44 = 8,445.50 : x
  2. Step 2: Convert to fraction form
    17,822.06/26,715.44 = 8,445.50/x
  3. Step 3: Cross multiply
    17,822.06x = 26,715.44 × 8,445.50
  4. Step 4: Simplify right side
    17,822.06x = 225,625,248.52
  5. Step 5: Solve for x
    x = 225,625,248.52/17,822.06
  6. Step 6: Final answer
    x = 12,659.89

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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.