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Finding the Fourth Proportional to 26,706.47, 40,083.90 and 14,236.97

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Solution

The fourth proportional to 26,706.47, 40,083.90 and 14,236.97 is: 21,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.47 : 40,083.90 = 14,236.97 : x
  2. Step 2: Convert to fraction form
    26,706.47/40,083.90 = 14,236.97/x
  3. Step 3: Cross multiply
    26,706.47x = 40,083.90 × 14,236.97
  4. Step 4: Simplify right side
    26,706.47x = 570,673,081.36
  5. Step 5: Solve for x
    x = 570,673,081.36/26,706.47
  6. Step 6: Final answer
    x = 21,368.35

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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.