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Finding the Fourth Proportional to 7,488.91, 10,333.93 and 4,131.56

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Solution

The fourth proportional to 7,488.91, 10,333.93 and 4,131.56 is: 5,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.91 : 10,333.93 = 4,131.56 : x
  2. Step 2: Convert to fraction form
    7,488.91/10,333.93 = 4,131.56/x
  3. Step 3: Cross multiply
    7,488.91x = 10,333.93 × 4,131.56
  4. Step 4: Simplify right side
    7,488.91x = 42,695,216.96
  5. Step 5: Solve for x
    x = 42,695,216.96/7,488.91
  6. Step 6: Final answer
    x = 5,701.13

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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.