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Finding the Fourth Proportional to 23,778.88, 35,655.36 and 9,917.44

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Solution

The fourth proportional to 23,778.88, 35,655.36 and 9,917.44 is: 14,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778.88 : 35,655.36 = 9,917.44 : x
  2. Step 2: Convert to fraction form
    23,778.88/35,655.36 = 9,917.44/x
  3. Step 3: Cross multiply
    23,778.88x = 35,655.36 × 9,917.44
  4. Step 4: Simplify right side
    23,778.88x = 353,609,893.48
  5. Step 5: Solve for x
    x = 353,609,893.48/23,778.88
  6. Step 6: Final answer
    x = 14,870.75

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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.