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Finding the Fourth Proportional to 8,980.76, 13,464.43 and 6,199.49

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Solution

The fourth proportional to 8,980.76, 13,464.43 and 6,199.49 is: 9,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.76 : 13,464.43 = 6,199.49 : x
  2. Step 2: Convert to fraction form
    8,980.76/13,464.43 = 6,199.49/x
  3. Step 3: Cross multiply
    8,980.76x = 13,464.43 × 6,199.49
  4. Step 4: Simplify right side
    8,980.76x = 83,472,617.30
  5. Step 5: Solve for x
    x = 83,472,617.30/8,980.76
  6. Step 6: Final answer
    x = 9,294.60

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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.