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Finding the Fourth Proportional to 10,359.32, 14,291.31 and 7,000.91

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Solution

The fourth proportional to 10,359.32, 14,291.31 and 7,000.91 is: 9,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.32 : 14,291.31 = 7,000.91 : x
  2. Step 2: Convert to fraction form
    10,359.32/14,291.31 = 7,000.91/x
  3. Step 3: Cross multiply
    10,359.32x = 14,291.31 × 7,000.91
  4. Step 4: Simplify right side
    10,359.32x = 100,052,175.09
  5. Step 5: Solve for x
    x = 100,052,175.09/10,359.32
  6. Step 6: Final answer
    x = 9,658.18

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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.