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Finding the Fourth Proportional to 35,522.78, 49,021.16 and 19,607.22

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Solution

The fourth proportional to 35,522.78, 49,021.16 and 19,607.22 is: 27,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.78 : 49,021.16 = 19,607.22 : x
  2. Step 2: Convert to fraction form
    35,522.78/49,021.16 = 19,607.22/x
  3. Step 3: Cross multiply
    35,522.78x = 49,021.16 × 19,607.22
  4. Step 4: Simplify right side
    35,522.78x = 961,168,644.27
  5. Step 5: Solve for x
    x = 961,168,644.27/35,522.78
  6. Step 6: Final answer
    x = 27,057.81

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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.