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Finding the Fourth Proportional to 26,636.48, 36,752.64 and 15,452.48

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Solution

The fourth proportional to 26,636.48, 36,752.64 and 15,452.48 is: 21,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.48 : 36,752.64 = 15,452.48 : x
  2. Step 2: Convert to fraction form
    26,636.48/36,752.64 = 15,452.48/x
  3. Step 3: Cross multiply
    26,636.48x = 36,752.64 × 15,452.48
  4. Step 4: Simplify right side
    26,636.48x = 567,919,434.55
  5. Step 5: Solve for x
    x = 567,919,434.55/26,636.48
  6. Step 6: Final answer
    x = 21,321.11

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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.