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Finding the Fourth Proportional to 69,668.63, 96,143.42 and 37,838.15

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Solution

The fourth proportional to 69,668.63, 96,143.42 and 37,838.15 is: 52,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.63 : 96,143.42 = 37,838.15 : x
  2. Step 2: Convert to fraction form
    69,668.63/96,143.42 = 37,838.15/x
  3. Step 3: Cross multiply
    69,668.63x = 96,143.42 × 37,838.15
  4. Step 4: Simplify right side
    69,668.63x = 3,637,889,147.47
  5. Step 5: Solve for x
    x = 3,637,889,147.47/69,668.63
  6. Step 6: Final answer
    x = 52,217.03

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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.