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Finding the Fourth Proportional to 8,551.44, 11,801.45 and 4,774.63

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Solution

The fourth proportional to 8,551.44, 11,801.45 and 4,774.63 is: 6,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.44 : 11,801.45 = 4,774.63 : x
  2. Step 2: Convert to fraction form
    8,551.44/11,801.45 = 4,774.63/x
  3. Step 3: Cross multiply
    8,551.44x = 11,801.45 × 4,774.63
  4. Step 4: Simplify right side
    8,551.44x = 56,347,557.21
  5. Step 5: Solve for x
    x = 56,347,557.21/8,551.44
  6. Step 6: Final answer
    x = 6,589.25

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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.