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Finding the Fourth Proportional to 3,571.65, 4,915.02 and 3,294.63

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Solution

The fourth proportional to 3,571.65, 4,915.02 and 3,294.63 is: 4,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.65 : 4,915.02 = 3,294.63 : x
  2. Step 2: Convert to fraction form
    3,571.65/4,915.02 = 3,294.63/x
  3. Step 3: Cross multiply
    3,571.65x = 4,915.02 × 3,294.63
  4. Step 4: Simplify right side
    3,571.65x = 16,193,172.34
  5. Step 5: Solve for x
    x = 16,193,172.34/3,571.65
  6. Step 6: Final answer
    x = 4,533.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.