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Finding the Fourth Proportional to 4,611.03, 6,915.12 and 1,323.24

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Solution

The fourth proportional to 4,611.03, 6,915.12 and 1,323.24 is: 1,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.03 : 6,915.12 = 1,323.24 : x
  2. Step 2: Convert to fraction form
    4,611.03/6,915.12 = 1,323.24/x
  3. Step 3: Cross multiply
    4,611.03x = 6,915.12 × 1,323.24
  4. Step 4: Simplify right side
    4,611.03x = 9,150,363.39
  5. Step 5: Solve for x
    x = 9,150,363.39/4,611.03
  6. Step 6: Final answer
    x = 1,984.45

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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.