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Finding the Fourth Proportional to 1,662.63, 2,277.80 and 1,600.32

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Solution

The fourth proportional to 1,662.63, 2,277.80 and 1,600.32 is: 2,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.63 : 2,277.80 = 1,600.32 : x
  2. Step 2: Convert to fraction form
    1,662.63/2,277.80 = 1,600.32/x
  3. Step 3: Cross multiply
    1,662.63x = 2,277.80 × 1,600.32
  4. Step 4: Simplify right side
    1,662.63x = 3,645,191.72
  5. Step 5: Solve for x
    x = 3,645,191.72/1,662.63
  6. Step 6: Final answer
    x = 2,192.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.