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Finding the Fourth Proportional to 15,204.54, 22,788.18 and 8,636.25

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Solution

The fourth proportional to 15,204.54, 22,788.18 and 8,636.25 is: 12,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.54 : 22,788.18 = 8,636.25 : x
  2. Step 2: Convert to fraction form
    15,204.54/22,788.18 = 8,636.25/x
  3. Step 3: Cross multiply
    15,204.54x = 22,788.18 × 8,636.25
  4. Step 4: Simplify right side
    15,204.54x = 196,804,419.53
  5. Step 5: Solve for x
    x = 196,804,419.53/15,204.54
  6. Step 6: Final answer
    x = 12,943.79

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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.