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Finding the Fourth Proportional to 8,398.53, 12,597.42 and 2,554.95

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Solution

The fourth proportional to 8,398.53, 12,597.42 and 2,554.95 is: 3,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.53 : 12,597.42 = 2,554.95 : x
  2. Step 2: Convert to fraction form
    8,398.53/12,597.42 = 2,554.95/x
  3. Step 3: Cross multiply
    8,398.53x = 12,597.42 × 2,554.95
  4. Step 4: Simplify right side
    8,398.53x = 32,185,778.23
  5. Step 5: Solve for x
    x = 32,185,778.23/8,398.53
  6. Step 6: Final answer
    x = 3,832.31

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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.