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Finding the Fourth Proportional to 29,915.62, 44,878.77 and 9,926.31

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Solution

The fourth proportional to 29,915.62, 44,878.77 and 9,926.31 is: 14,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.62 : 44,878.77 = 9,926.31 : x
  2. Step 2: Convert to fraction form
    29,915.62/44,878.77 = 9,926.31/x
  3. Step 3: Cross multiply
    29,915.62x = 44,878.77 × 9,926.31
  4. Step 4: Simplify right side
    29,915.62x = 445,480,558.62
  5. Step 5: Solve for x
    x = 445,480,558.62/29,915.62
  6. Step 6: Final answer
    x = 14,891.24

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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.