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Finding the Fourth Proportional to 53,522.88, 73,859.40 and 29,650.56

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Solution

The fourth proportional to 53,522.88, 73,859.40 and 29,650.56 is: 40,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,522.88 : 73,859.40 = 29,650.56 : x
  2. Step 2: Convert to fraction form
    53,522.88/73,859.40 = 29,650.56/x
  3. Step 3: Cross multiply
    53,522.88x = 73,859.40 × 29,650.56
  4. Step 4: Simplify right side
    53,522.88x = 2,189,972,571.26
  5. Step 5: Solve for x
    x = 2,189,972,571.26/53,522.88
  6. Step 6: Final answer
    x = 40,916.57

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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.