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Finding the Fourth Proportional to 3,586.88, 4,975.34 and 3,468.80

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Solution

The fourth proportional to 3,586.88, 4,975.34 and 3,468.80 is: 4,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.88 : 4,975.34 = 3,468.80 : x
  2. Step 2: Convert to fraction form
    3,586.88/4,975.34 = 3,468.80/x
  3. Step 3: Cross multiply
    3,586.88x = 4,975.34 × 3,468.80
  4. Step 4: Simplify right side
    3,586.88x = 17,258,459.39
  5. Step 5: Solve for x
    x = 17,258,459.39/3,586.88
  6. Step 6: Final answer
    x = 4,811.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.