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Finding the Fourth Proportional to 6,365.76, 8,780.04 and 4,266.24

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Solution

The fourth proportional to 6,365.76, 8,780.04 and 4,266.24 is: 5,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.76 : 8,780.04 = 4,266.24 : x
  2. Step 2: Convert to fraction form
    6,365.76/8,780.04 = 4,266.24/x
  3. Step 3: Cross multiply
    6,365.76x = 8,780.04 × 4,266.24
  4. Step 4: Simplify right side
    6,365.76x = 37,457,757.85
  5. Step 5: Solve for x
    x = 37,457,757.85/6,365.76
  6. Step 6: Final answer
    x = 5,884.26

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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.