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Finding the Fourth Proportional to 36,603.31, 50,495.80 and 21,495.70

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Solution

The fourth proportional to 36,603.31, 50,495.80 and 21,495.70 is: 29,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,603.31 : 50,495.80 = 21,495.70 : x
  2. Step 2: Convert to fraction form
    36,603.31/50,495.80 = 21,495.70/x
  3. Step 3: Cross multiply
    36,603.31x = 50,495.80 × 21,495.70
  4. Step 4: Simplify right side
    36,603.31x = 1,085,442,568.06
  5. Step 5: Solve for x
    x = 1,085,442,568.06/36,603.31
  6. Step 6: Final answer
    x = 29,654.22

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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.