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Finding the Fourth Proportional to 36,794.53, 50,783.08 and 21,686.31

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Solution

The fourth proportional to 36,794.53, 50,783.08 and 21,686.31 is: 29,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,794.53 : 50,783.08 = 21,686.31 : x
  2. Step 2: Convert to fraction form
    36,794.53/50,783.08 = 21,686.31/x
  3. Step 3: Cross multiply
    36,794.53x = 50,783.08 × 21,686.31
  4. Step 4: Simplify right side
    36,794.53x = 1,101,297,398.26
  5. Step 5: Solve for x
    x = 1,101,297,398.26/36,794.53
  6. Step 6: Final answer
    x = 29,931.01

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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.