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Finding the Fourth Proportional to 12,648.30, 18,963.08 and 6,068.22

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Solution

The fourth proportional to 12,648.30, 18,963.08 and 6,068.22 is: 9,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.30 : 18,963.08 = 6,068.22 : x
  2. Step 2: Convert to fraction form
    12,648.30/18,963.08 = 6,068.22/x
  3. Step 3: Cross multiply
    12,648.30x = 18,963.08 × 6,068.22
  4. Step 4: Simplify right side
    12,648.30x = 115,072,141.32
  5. Step 5: Solve for x
    x = 115,072,141.32/12,648.30
  6. Step 6: Final answer
    x = 9,097.83

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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.