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Finding the Fourth Proportional to 26,837.10, 40,255.65 and 7,117.65

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Solution

The fourth proportional to 26,837.10, 40,255.65 and 7,117.65 is: 10,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.10 : 40,255.65 = 7,117.65 : x
  2. Step 2: Convert to fraction form
    26,837.10/40,255.65 = 7,117.65/x
  3. Step 3: Cross multiply
    26,837.10x = 40,255.65 × 7,117.65
  4. Step 4: Simplify right side
    26,837.10x = 286,525,627.22
  5. Step 5: Solve for x
    x = 286,525,627.22/26,837.10
  6. Step 6: Final answer
    x = 10,676.48

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Double scale
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Similar ratio
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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.