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Finding the Fourth Proportional to 8,774.16, 13,164.84 and 3,580.56

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Solution

The fourth proportional to 8,774.16, 13,164.84 and 3,580.56 is: 5,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.16 : 13,164.84 = 3,580.56 : x
  2. Step 2: Convert to fraction form
    8,774.16/13,164.84 = 3,580.56/x
  3. Step 3: Cross multiply
    8,774.16x = 13,164.84 × 3,580.56
  4. Step 4: Simplify right side
    8,774.16x = 47,137,499.51
  5. Step 5: Solve for x
    x = 47,137,499.51/8,774.16
  6. Step 6: Final answer
    x = 5,372.31

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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.