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Finding the Fourth Proportional to 4,395.60, 6,593.40 and 3,416.40

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Solution

The fourth proportional to 4,395.60, 6,593.40 and 3,416.40 is: 5,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.60 : 6,593.40 = 3,416.40 : x
  2. Step 2: Convert to fraction form
    4,395.60/6,593.40 = 3,416.40/x
  3. Step 3: Cross multiply
    4,395.60x = 6,593.40 × 3,416.40
  4. Step 4: Simplify right side
    4,395.60x = 22,525,691.76
  5. Step 5: Solve for x
    x = 22,525,691.76/4,395.60
  6. Step 6: Final answer
    x = 5,124.60

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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.