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Finding the Fourth Proportional to 69,668.67, 96,143.04 and 37,838.10

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Solution

The fourth proportional to 69,668.67, 96,143.04 and 37,838.10 is: 52,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.67 : 96,143.04 = 37,838.10 : x
  2. Step 2: Convert to fraction form
    69,668.67/96,143.04 = 37,838.10/x
  3. Step 3: Cross multiply
    69,668.67x = 96,143.04 × 37,838.10
  4. Step 4: Simplify right side
    69,668.67x = 3,637,869,961.82
  5. Step 5: Solve for x
    x = 3,637,869,961.82/69,668.67
  6. Step 6: Final answer
    x = 52,216.73

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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.