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Finding the Fourth Proportional to 23,918.90, 35,854.92 and 8,915.03

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Solution

The fourth proportional to 23,918.90, 35,854.92 and 8,915.03 is: 13,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.90 : 35,854.92 = 8,915.03 : x
  2. Step 2: Convert to fraction form
    23,918.90/35,854.92 = 8,915.03/x
  3. Step 3: Cross multiply
    23,918.90x = 35,854.92 × 8,915.03
  4. Step 4: Simplify right side
    23,918.90x = 319,647,777.08
  5. Step 5: Solve for x
    x = 319,647,777.08/23,918.90
  6. Step 6: Final answer
    x = 13,363.82

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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.