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Finding the Fourth Proportional to 15,993.79, 23,973.91 and 8,963.48

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Solution

The fourth proportional to 15,993.79, 23,973.91 and 8,963.48 is: 13,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.79 : 23,973.91 = 8,963.48 : x
  2. Step 2: Convert to fraction form
    15,993.79/23,973.91 = 8,963.48/x
  3. Step 3: Cross multiply
    15,993.79x = 23,973.91 × 8,963.48
  4. Step 4: Simplify right side
    15,993.79x = 214,889,700.33
  5. Step 5: Solve for x
    x = 214,889,700.33/15,993.79
  6. Step 6: Final answer
    x = 13,435.82

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1.5x scale

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.