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Finding the Fourth Proportional to 12,648.76, 18,963.70 and 6,068.68

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Solution

The fourth proportional to 12,648.76, 18,963.70 and 6,068.68 is: 9,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.76 : 18,963.70 = 6,068.68 : x
  2. Step 2: Convert to fraction form
    12,648.76/18,963.70 = 6,068.68/x
  3. Step 3: Cross multiply
    12,648.76x = 18,963.70 × 6,068.68
  4. Step 4: Simplify right side
    12,648.76x = 115,084,626.92
  5. Step 5: Solve for x
    x = 115,084,626.92/12,648.76
  6. Step 6: Final answer
    x = 9,098.49

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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.