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Finding the Fourth Proportional to 26,269, 36,246.26 and 15,659.62

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Solution

The fourth proportional to 26,269, 36,246.26 and 15,659.62 is: 21,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,269 : 36,246.26 = 15,659.62 : x
  2. Step 2: Convert to fraction form
    26,269/36,246.26 = 15,659.62/x
  3. Step 3: Cross multiply
    26,269x = 36,246.26 × 15,659.62
  4. Step 4: Simplify right side
    26,269x = 567,602,658.02
  5. Step 5: Solve for x
    x = 567,602,658.02/26,269
  6. Step 6: Final answer
    x = 21,607.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.