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Finding the Fourth Proportional to 35,866.92, 53,782.95 and 21,650.07

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Solution

The fourth proportional to 35,866.92, 53,782.95 and 21,650.07 is: 32,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,866.92 : 53,782.95 = 21,650.07 : x
  2. Step 2: Convert to fraction form
    35,866.92/53,782.95 = 21,650.07/x
  3. Step 3: Cross multiply
    35,866.92x = 53,782.95 × 21,650.07
  4. Step 4: Simplify right side
    35,866.92x = 1,164,404,632.31
  5. Step 5: Solve for x
    x = 1,164,404,632.31/35,866.92
  6. Step 6: Final answer
    x = 32,464.58

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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.