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Finding the Fourth Proportional to 36,962.19, 51,007.79 and 20,195.19

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Solution

The fourth proportional to 36,962.19, 51,007.79 and 20,195.19 is: 27,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,962.19 : 51,007.79 = 20,195.19 : x
  2. Step 2: Convert to fraction form
    36,962.19/51,007.79 = 20,195.19/x
  3. Step 3: Cross multiply
    36,962.19x = 51,007.79 × 20,195.19
  4. Step 4: Simplify right side
    36,962.19x = 1,030,112,061.02
  5. Step 5: Solve for x
    x = 1,030,112,061.02/36,962.19
  6. Step 6: Final answer
    x = 27,869.35

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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.