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Finding the Fourth Proportional to 9,369.99, 14,057 and 3,130.56

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Solution

The fourth proportional to 9,369.99, 14,057 and 3,130.56 is: 4,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.99 : 14,057 = 3,130.56 : x
  2. Step 2: Convert to fraction form
    9,369.99/14,057 = 3,130.56/x
  3. Step 3: Cross multiply
    9,369.99x = 14,057 × 3,130.56
  4. Step 4: Simplify right side
    9,369.99x = 44,006,281.92
  5. Step 5: Solve for x
    x = 44,006,281.92/9,369.99
  6. Step 6: Final answer
    x = 4,696.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.