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Finding the Fourth Proportional to 8,907.66, 13,372.29 and 4,168.35

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Solution

The fourth proportional to 8,907.66, 13,372.29 and 4,168.35 is: 6,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.66 : 13,372.29 = 4,168.35 : x
  2. Step 2: Convert to fraction form
    8,907.66/13,372.29 = 4,168.35/x
  3. Step 3: Cross multiply
    8,907.66x = 13,372.29 × 4,168.35
  4. Step 4: Simplify right side
    8,907.66x = 55,740,385.02
  5. Step 5: Solve for x
    x = 55,740,385.02/8,907.66
  6. Step 6: Final answer
    x = 6,257.58

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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.