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Finding the Fourth Proportional to 3,599.60, 4,965.55 and 2,478.59

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Solution

The fourth proportional to 3,599.60, 4,965.55 and 2,478.59 is: 3,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.60 : 4,965.55 = 2,478.59 : x
  2. Step 2: Convert to fraction form
    3,599.60/4,965.55 = 2,478.59/x
  3. Step 3: Cross multiply
    3,599.60x = 4,965.55 × 2,478.59
  4. Step 4: Simplify right side
    3,599.60x = 12,307,550.17
  5. Step 5: Solve for x
    x = 12,307,550.17/3,599.60
  6. Step 6: Final answer
    x = 3,419.15

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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.