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Finding the Fourth Proportional to 7,291.66, 10,935.21 and 2,360.28

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Solution

The fourth proportional to 7,291.66, 10,935.21 and 2,360.28 is: 3,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.66 : 10,935.21 = 2,360.28 : x
  2. Step 2: Convert to fraction form
    7,291.66/10,935.21 = 2,360.28/x
  3. Step 3: Cross multiply
    7,291.66x = 10,935.21 × 2,360.28
  4. Step 4: Simplify right side
    7,291.66x = 25,810,157.46
  5. Step 5: Solve for x
    x = 25,810,157.46/7,291.66
  6. Step 6: Final answer
    x = 3,539.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.