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Finding the Fourth Proportional to 19,506.75, 26,919.06 and 10,893.06

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Solution

The fourth proportional to 19,506.75, 26,919.06 and 10,893.06 is: 15,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.75 : 26,919.06 = 10,893.06 : x
  2. Step 2: Convert to fraction form
    19,506.75/26,919.06 = 10,893.06/x
  3. Step 3: Cross multiply
    19,506.75x = 26,919.06 × 10,893.06
  4. Step 4: Simplify right side
    19,506.75x = 293,230,935.72
  5. Step 5: Solve for x
    x = 293,230,935.72/19,506.75
  6. Step 6: Final answer
    x = 15,032.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.