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Finding the Fourth Proportional to 26,077.54, 35,980.17 and 15,469.54

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Solution

The fourth proportional to 26,077.54, 35,980.17 and 15,469.54 is: 21,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,077.54 : 35,980.17 = 15,469.54 : x
  2. Step 2: Convert to fraction form
    26,077.54/35,980.17 = 15,469.54/x
  3. Step 3: Cross multiply
    26,077.54x = 35,980.17 × 15,469.54
  4. Step 4: Simplify right side
    26,077.54x = 556,596,679.02
  5. Step 5: Solve for x
    x = 556,596,679.02/26,077.54
  6. Step 6: Final answer
    x = 21,343.91

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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.