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Finding the Fourth Proportional to 15,810.88, 23,699.16 and 7,033.72

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Solution

The fourth proportional to 15,810.88, 23,699.16 and 7,033.72 is: 10,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.88 : 23,699.16 = 7,033.72 : x
  2. Step 2: Convert to fraction form
    15,810.88/23,699.16 = 7,033.72/x
  3. Step 3: Cross multiply
    15,810.88x = 23,699.16 × 7,033.72
  4. Step 4: Simplify right side
    15,810.88x = 166,693,255.68
  5. Step 5: Solve for x
    x = 166,693,255.68/15,810.88
  6. Step 6: Final answer
    x = 10,542.95

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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.