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Finding the Fourth Proportional to 6,149.95, 8,486.90 and 3,632.63

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Solution

The fourth proportional to 6,149.95, 8,486.90 and 3,632.63 is: 5,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.95 : 8,486.90 = 3,632.63 : x
  2. Step 2: Convert to fraction form
    6,149.95/8,486.90 = 3,632.63/x
  3. Step 3: Cross multiply
    6,149.95x = 8,486.90 × 3,632.63
  4. Step 4: Simplify right side
    6,149.95x = 30,829,770.60
  5. Step 5: Solve for x
    x = 30,829,770.60/6,149.95
  6. Step 6: Final answer
    x = 5,013.01

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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.