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Finding the Fourth Proportional to 15,422.88, 23,103.48 and 7,091.48

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Solution

The fourth proportional to 15,422.88, 23,103.48 and 7,091.48 is: 10,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.88 : 23,103.48 = 7,091.48 : x
  2. Step 2: Convert to fraction form
    15,422.88/23,103.48 = 7,091.48/x
  3. Step 3: Cross multiply
    15,422.88x = 23,103.48 × 7,091.48
  4. Step 4: Simplify right side
    15,422.88x = 163,837,750.83
  5. Step 5: Solve for x
    x = 163,837,750.83/15,422.88
  6. Step 6: Final answer
    x = 10,623.03

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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.