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Finding the Fourth Proportional to 26,615.83, 39,927.71 and 7,893.65

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Solution

The fourth proportional to 26,615.83, 39,927.71 and 7,893.65 is: 11,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.83 : 39,927.71 = 7,893.65 : x
  2. Step 2: Convert to fraction form
    26,615.83/39,927.71 = 7,893.65/x
  3. Step 3: Cross multiply
    26,615.83x = 39,927.71 × 7,893.65
  4. Step 4: Simplify right side
    26,615.83x = 315,175,368.04
  5. Step 5: Solve for x
    x = 315,175,368.04/26,615.83
  6. Step 6: Final answer
    x = 11,841.65

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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.