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Finding the Fourth Proportional to 2,495.98, 3,445.60 and 1,447.84

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Solution

The fourth proportional to 2,495.98, 3,445.60 and 1,447.84 is: 1,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.98 : 3,445.60 = 1,447.84 : x
  2. Step 2: Convert to fraction form
    2,495.98/3,445.60 = 1,447.84/x
  3. Step 3: Cross multiply
    2,495.98x = 3,445.60 × 1,447.84
  4. Step 4: Simplify right side
    2,495.98x = 4,988,677.50
  5. Step 5: Solve for x
    x = 4,988,677.50/2,495.98
  6. Step 6: Final answer
    x = 1,998.68

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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.