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Finding the Fourth Proportional to 35,564.61, 49,078.53 and 19,650.54

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Solution

The fourth proportional to 35,564.61, 49,078.53 and 19,650.54 is: 27,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,564.61 : 49,078.53 = 19,650.54 : x
  2. Step 2: Convert to fraction form
    35,564.61/49,078.53 = 19,650.54/x
  3. Step 3: Cross multiply
    35,564.61x = 49,078.53 × 19,650.54
  4. Step 4: Simplify right side
    35,564.61x = 964,419,616.91
  5. Step 5: Solve for x
    x = 964,419,616.91/35,564.61
  6. Step 6: Final answer
    x = 27,117.40

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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.