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Finding the Fourth Proportional to 19,216.63, 28,825.81 and 5,888.64

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Solution

The fourth proportional to 19,216.63, 28,825.81 and 5,888.64 is: 8,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.63 : 28,825.81 = 5,888.64 : x
  2. Step 2: Convert to fraction form
    19,216.63/28,825.81 = 5,888.64/x
  3. Step 3: Cross multiply
    19,216.63x = 28,825.81 × 5,888.64
  4. Step 4: Simplify right side
    19,216.63x = 169,744,911.17
  5. Step 5: Solve for x
    x = 169,744,911.17/19,216.63
  6. Step 6: Final answer
    x = 8,833.23

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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.