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Finding the Fourth Proportional to 35,670.40, 53,454.40 and 26,236.80

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Solution

The fourth proportional to 35,670.40, 53,454.40 and 26,236.80 is: 39,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.40 : 53,454.40 = 26,236.80 : x
  2. Step 2: Convert to fraction form
    35,670.40/53,454.40 = 26,236.80/x
  3. Step 3: Cross multiply
    35,670.40x = 53,454.40 × 26,236.80
  4. Step 4: Simplify right side
    35,670.40x = 1,402,472,401.92
  5. Step 5: Solve for x
    x = 1,402,472,401.92/35,670.40
  6. Step 6: Final answer
    x = 39,317.54

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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.