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Finding the Fourth Proportional to 33,915.47, 50,904.70 and 17,287.99

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Solution

The fourth proportional to 33,915.47, 50,904.70 and 17,287.99 is: 25,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.47 : 50,904.70 = 17,287.99 : x
  2. Step 2: Convert to fraction form
    33,915.47/50,904.70 = 17,287.99/x
  3. Step 3: Cross multiply
    33,915.47x = 50,904.70 × 17,287.99
  4. Step 4: Simplify right side
    33,915.47x = 880,039,774.07
  5. Step 5: Solve for x
    x = 880,039,774.07/33,915.47
  6. Step 6: Final answer
    x = 25,948.04

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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.