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Finding the Fourth Proportional to 26,863.90, 37,071.90 and 14,926.97

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Solution

The fourth proportional to 26,863.90, 37,071.90 and 14,926.97 is: 20,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.90 : 37,071.90 = 14,926.97 : x
  2. Step 2: Convert to fraction form
    26,863.90/37,071.90 = 14,926.97/x
  3. Step 3: Cross multiply
    26,863.90x = 37,071.90 × 14,926.97
  4. Step 4: Simplify right side
    26,863.90x = 553,371,231.82
  5. Step 5: Solve for x
    x = 553,371,231.82/26,863.90
  6. Step 6: Final answer
    x = 20,599.07

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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.