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Finding the Fourth Proportional to 17,293.53, 25,915.99 and 9,886.89

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Solution

The fourth proportional to 17,293.53, 25,915.99 and 9,886.89 is: 14,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,293.53 : 25,915.99 = 9,886.89 : x
  2. Step 2: Convert to fraction form
    17,293.53/25,915.99 = 9,886.89/x
  3. Step 3: Cross multiply
    17,293.53x = 25,915.99 × 9,886.89
  4. Step 4: Simplify right side
    17,293.53x = 256,228,542.37
  5. Step 5: Solve for x
    x = 256,228,542.37/17,293.53
  6. Step 6: Final answer
    x = 14,816.44

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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.