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Finding the Fourth Proportional to 36,963.19, 51,009.17 and 20,196.19

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Solution

The fourth proportional to 36,963.19, 51,009.17 and 20,196.19 is: 27,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,963.19 : 51,009.17 = 20,196.19 : x
  2. Step 2: Convert to fraction form
    36,963.19/51,009.17 = 20,196.19/x
  3. Step 3: Cross multiply
    36,963.19x = 51,009.17 × 20,196.19
  4. Step 4: Simplify right side
    36,963.19x = 1,030,190,889.06
  5. Step 5: Solve for x
    x = 1,030,190,889.06/36,963.19
  6. Step 6: Final answer
    x = 27,870.72

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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.