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Finding the Fourth Proportional to 26,701.70, 36,843 and 14,762.72

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Solution

The fourth proportional to 26,701.70, 36,843 and 14,762.72 is: 20,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,701.70 : 36,843 = 14,762.72 : x
  2. Step 2: Convert to fraction form
    26,701.70/36,843 = 14,762.72/x
  3. Step 3: Cross multiply
    26,701.70x = 36,843 × 14,762.72
  4. Step 4: Simplify right side
    26,701.70x = 543,902,985.07
  5. Step 5: Solve for x
    x = 543,902,985.07/26,701.70
  6. Step 6: Final answer
    x = 20,369.61

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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.