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Finding the Fourth Proportional to 7,386.41, 11,079.41 and 2,388.77

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Solution

The fourth proportional to 7,386.41, 11,079.41 and 2,388.77 is: 3,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.41 : 11,079.41 = 2,388.77 : x
  2. Step 2: Convert to fraction form
    7,386.41/11,079.41 = 2,388.77/x
  3. Step 3: Cross multiply
    7,386.41x = 11,079.41 × 2,388.77
  4. Step 4: Simplify right side
    7,386.41x = 26,466,094.88
  5. Step 5: Solve for x
    x = 26,466,094.88/7,386.41
  6. Step 6: Final answer
    x = 3,583.08

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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.