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Finding the Fourth Proportional to 3,293.60, 4,447.80 and 3,293.60

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Solution

The fourth proportional to 3,293.60, 4,447.80 and 3,293.60 is: 4,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.60 : 4,447.80 = 3,293.60 : x
  2. Step 2: Convert to fraction form
    3,293.60/4,447.80 = 3,293.60/x
  3. Step 3: Cross multiply
    3,293.60x = 4,447.80 × 3,293.60
  4. Step 4: Simplify right side
    3,293.60x = 14,649,274.08
  5. Step 5: Solve for x
    x = 14,649,274.08/3,293.60
  6. Step 6: Final answer
    x = 4,447.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.