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Finding the Fourth Proportional to 7,726.16, 10,668.76 and 7,332.48

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Solution

The fourth proportional to 7,726.16, 10,668.76 and 7,332.48 is: 10,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.16 : 10,668.76 = 7,332.48 : x
  2. Step 2: Convert to fraction form
    7,726.16/10,668.76 = 7,332.48/x
  3. Step 3: Cross multiply
    7,726.16x = 10,668.76 × 7,332.48
  4. Step 4: Simplify right side
    7,726.16x = 78,228,469.32
  5. Step 5: Solve for x
    x = 78,228,469.32/7,726.16
  6. Step 6: Final answer
    x = 10,125.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.