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Finding the Fourth Proportional to 36,179.84, 54,261.84 and 13,985.44

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Solution

The fourth proportional to 36,179.84, 54,261.84 and 13,985.44 is: 20,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.84 : 54,261.84 = 13,985.44 : x
  2. Step 2: Convert to fraction form
    36,179.84/54,261.84 = 13,985.44/x
  3. Step 3: Cross multiply
    36,179.84x = 54,261.84 × 13,985.44
  4. Step 4: Simplify right side
    36,179.84x = 758,875,707.61
  5. Step 5: Solve for x
    x = 758,875,707.61/36,179.84
  6. Step 6: Final answer
    x = 20,975.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.