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Finding the Fourth Proportional to 36,270.88, 54,406.95 and 9,975.46

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Solution

The fourth proportional to 36,270.88, 54,406.95 and 9,975.46 is: 14,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270.88 : 54,406.95 = 9,975.46 : x
  2. Step 2: Convert to fraction form
    36,270.88/54,406.95 = 9,975.46/x
  3. Step 3: Cross multiply
    36,270.88x = 54,406.95 × 9,975.46
  4. Step 4: Simplify right side
    36,270.88x = 542,734,353.45
  5. Step 5: Solve for x
    x = 542,734,353.45/36,270.88
  6. Step 6: Final answer
    x = 14,963.36

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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.