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Finding the Fourth Proportional to 6,453.62, 8,909.36 and 5,014.79

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Solution

The fourth proportional to 6,453.62, 8,909.36 and 5,014.79 is: 6,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.62 : 8,909.36 = 5,014.79 : x
  2. Step 2: Convert to fraction form
    6,453.62/8,909.36 = 5,014.79/x
  3. Step 3: Cross multiply
    6,453.62x = 8,909.36 × 5,014.79
  4. Step 4: Simplify right side
    6,453.62x = 44,678,552.03
  5. Step 5: Solve for x
    x = 44,678,552.03/6,453.62
  6. Step 6: Final answer
    x = 6,923.02

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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.