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Finding the Fourth Proportional to 7,386.83, 10,193.86 and 4,029.72

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Solution

The fourth proportional to 7,386.83, 10,193.86 and 4,029.72 is: 5,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.83 : 10,193.86 = 4,029.72 : x
  2. Step 2: Convert to fraction form
    7,386.83/10,193.86 = 4,029.72/x
  3. Step 3: Cross multiply
    7,386.83x = 10,193.86 × 4,029.72
  4. Step 4: Simplify right side
    7,386.83x = 41,078,401.52
  5. Step 5: Solve for x
    x = 41,078,401.52/7,386.83
  6. Step 6: Final answer
    x = 5,561.03

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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.