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Finding the Fourth Proportional to 36,850.47, 50,847.51 and 20,929.11

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Solution

The fourth proportional to 36,850.47, 50,847.51 and 20,929.11 is: 28,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850.47 : 50,847.51 = 20,929.11 : x
  2. Step 2: Convert to fraction form
    36,850.47/50,847.51 = 20,929.11/x
  3. Step 3: Cross multiply
    36,850.47x = 50,847.51 × 20,929.11
  4. Step 4: Simplify right side
    36,850.47x = 1,064,193,130.02
  5. Step 5: Solve for x
    x = 1,064,193,130.02/36,850.47
  6. Step 6: Final answer
    x = 28,878.69

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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.