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Finding the Fourth Proportional to 12,104.16, 18,157.16 and 4,705.44

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Solution

The fourth proportional to 12,104.16, 18,157.16 and 4,705.44 is: 7,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.16 : 18,157.16 = 4,705.44 : x
  2. Step 2: Convert to fraction form
    12,104.16/18,157.16 = 4,705.44/x
  3. Step 3: Cross multiply
    12,104.16x = 18,157.16 × 4,705.44
  4. Step 4: Simplify right side
    12,104.16x = 85,437,426.95
  5. Step 5: Solve for x
    x = 85,437,426.95/12,104.16
  6. Step 6: Final answer
    x = 7,058.52

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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.