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Finding the Fourth Proportional to 19,223.52, 28,825.01 and 9,859.72

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Solution

The fourth proportional to 19,223.52, 28,825.01 and 9,859.72 is: 14,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.52 : 28,825.01 = 9,859.72 : x
  2. Step 2: Convert to fraction form
    19,223.52/28,825.01 = 9,859.72/x
  3. Step 3: Cross multiply
    19,223.52x = 28,825.01 × 9,859.72
  4. Step 4: Simplify right side
    19,223.52x = 284,206,478.30
  5. Step 5: Solve for x
    x = 284,206,478.30/19,223.52
  6. Step 6: Final answer
    x = 14,784.31

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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.