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Finding the Fourth Proportional to 36,820.17, 50,810.03 and 20,902.53

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Solution

The fourth proportional to 36,820.17, 50,810.03 and 20,902.53 is: 28,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.17 : 50,810.03 = 20,902.53 : x
  2. Step 2: Convert to fraction form
    36,820.17/50,810.03 = 20,902.53/x
  3. Step 3: Cross multiply
    36,820.17x = 50,810.03 × 20,902.53
  4. Step 4: Simplify right side
    36,820.17x = 1,062,058,071.86
  5. Step 5: Solve for x
    x = 1,062,058,071.86/36,820.17
  6. Step 6: Final answer
    x = 28,844.46

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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.