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Finding the Fourth Proportional to 35,668.66, 53,467.52 and 19,880.88

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Solution

The fourth proportional to 35,668.66, 53,467.52 and 19,880.88 is: 29,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,668.66 : 53,467.52 = 19,880.88 : x
  2. Step 2: Convert to fraction form
    35,668.66/53,467.52 = 19,880.88/x
  3. Step 3: Cross multiply
    35,668.66x = 53,467.52 × 19,880.88
  4. Step 4: Simplify right side
    35,668.66x = 1,062,981,349.02
  5. Step 5: Solve for x
    x = 1,062,981,349.02/35,668.66
  6. Step 6: Final answer
    x = 29,801.55

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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.