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Finding the Fourth Proportional to 19,551.65, 29,303.96 and 9,007.17

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Solution

The fourth proportional to 19,551.65, 29,303.96 and 9,007.17 is: 13,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.65 : 29,303.96 = 9,007.17 : x
  2. Step 2: Convert to fraction form
    19,551.65/29,303.96 = 9,007.17/x
  3. Step 3: Cross multiply
    19,551.65x = 29,303.96 × 9,007.17
  4. Step 4: Simplify right side
    19,551.65x = 263,945,704.36
  5. Step 5: Solve for x
    x = 263,945,704.36/19,551.65
  6. Step 6: Final answer
    x = 13,499.92

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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.