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Finding the Fourth Proportional to 10,315.69, 14,238.89 and 6,589.69

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Solution

The fourth proportional to 10,315.69, 14,238.89 and 6,589.69 is: 9,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.69 : 14,238.89 = 6,589.69 : x
  2. Step 2: Convert to fraction form
    10,315.69/14,238.89 = 6,589.69/x
  3. Step 3: Cross multiply
    10,315.69x = 14,238.89 × 6,589.69
  4. Step 4: Simplify right side
    10,315.69x = 93,829,827.21
  5. Step 5: Solve for x
    x = 93,829,827.21/10,315.69
  6. Step 6: Final answer
    x = 9,095.84

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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.