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Finding the Fourth Proportional to 37,663.58, 51,975.59 and 20,668.11

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Solution

The fourth proportional to 37,663.58, 51,975.59 and 20,668.11 is: 28,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,663.58 : 51,975.59 = 20,668.11 : x
  2. Step 2: Convert to fraction form
    37,663.58/51,975.59 = 20,668.11/x
  3. Step 3: Cross multiply
    37,663.58x = 51,975.59 × 20,668.11
  4. Step 4: Simplify right side
    37,663.58x = 1,074,237,029.44
  5. Step 5: Solve for x
    x = 1,074,237,029.44/37,663.58
  6. Step 6: Final answer
    x = 28,521.91

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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.