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Finding the Fourth Proportional to 65,696.24, 90,668.04 and 37,397.36

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Solution

The fourth proportional to 65,696.24, 90,668.04 and 37,397.36 is: 51,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,696.24 : 90,668.04 = 37,397.36 : x
  2. Step 2: Convert to fraction form
    65,696.24/90,668.04 = 37,397.36/x
  3. Step 3: Cross multiply
    65,696.24x = 90,668.04 × 37,397.36
  4. Step 4: Simplify right side
    65,696.24x = 3,390,745,332.37
  5. Step 5: Solve for x
    x = 3,390,745,332.37/65,696.24
  6. Step 6: Final answer
    x = 51,612.47

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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.