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Finding the Fourth Proportional to 17,963.13, 26,946.33 and 8,607.63

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Solution

The fourth proportional to 17,963.13, 26,946.33 and 8,607.63 is: 12,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.13 : 26,946.33 = 8,607.63 : x
  2. Step 2: Convert to fraction form
    17,963.13/26,946.33 = 8,607.63/x
  3. Step 3: Cross multiply
    17,963.13x = 26,946.33 × 8,607.63
  4. Step 4: Simplify right side
    17,963.13x = 231,944,038.50
  5. Step 5: Solve for x
    x = 231,944,038.50/17,963.13
  6. Step 6: Final answer
    x = 12,912.23

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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.