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Finding the Fourth Proportional to 7,506.81, 10,359.48 and 4,103.91

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Solution

The fourth proportional to 7,506.81, 10,359.48 and 4,103.91 is: 5,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.81 : 10,359.48 = 4,103.91 : x
  2. Step 2: Convert to fraction form
    7,506.81/10,359.48 = 4,103.91/x
  3. Step 3: Cross multiply
    7,506.81x = 10,359.48 × 4,103.91
  4. Step 4: Simplify right side
    7,506.81x = 42,514,373.57
  5. Step 5: Solve for x
    x = 42,514,373.57/7,506.81
  6. Step 6: Final answer
    x = 5,663.44

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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.