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Finding the Fourth Proportional to 26,420.82, 39,373.88 and 25,619.82

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Solution

The fourth proportional to 26,420.82, 39,373.88 and 25,619.82 is: 38,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.82 : 39,373.88 = 25,619.82 : x
  2. Step 2: Convert to fraction form
    26,420.82/39,373.88 = 25,619.82/x
  3. Step 3: Cross multiply
    26,420.82x = 39,373.88 × 25,619.82
  4. Step 4: Simplify right side
    26,420.82x = 1,008,751,718.30
  5. Step 5: Solve for x
    x = 1,008,751,718.30/26,420.82
  6. Step 6: Final answer
    x = 38,180.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.