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Finding the Fourth Proportional to 36,967.84, 51,015.04 and 20,835.18

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Solution

The fourth proportional to 36,967.84, 51,015.04 and 20,835.18 is: 28,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,967.84 : 51,015.04 = 20,835.18 : x
  2. Step 2: Convert to fraction form
    36,967.84/51,015.04 = 20,835.18/x
  3. Step 3: Cross multiply
    36,967.84x = 51,015.04 × 20,835.18
  4. Step 4: Simplify right side
    36,967.84x = 1,062,907,489.02
  5. Step 5: Solve for x
    x = 1,062,907,489.02/36,967.84
  6. Step 6: Final answer
    x = 28,752.22

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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.