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Finding the Fourth Proportional to 63,297, 94,922.80 and 18,915.48

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Solution

The fourth proportional to 63,297, 94,922.80 and 18,915.48 is: 28,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,297 : 94,922.80 = 18,915.48 : x
  2. Step 2: Convert to fraction form
    63,297/94,922.80 = 18,915.48/x
  3. Step 3: Cross multiply
    63,297x = 94,922.80 × 18,915.48
  4. Step 4: Simplify right side
    63,297x = 1,795,510,324.94
  5. Step 5: Solve for x
    x = 1,795,510,324.94/63,297
  6. Step 6: Final answer
    x = 28,366.44

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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.