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Finding the Fourth Proportional to 2,662.85, 3,675.04 and 1,528.92

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Solution

The fourth proportional to 2,662.85, 3,675.04 and 1,528.92 is: 2,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.85 : 3,675.04 = 1,528.92 : x
  2. Step 2: Convert to fraction form
    2,662.85/3,675.04 = 1,528.92/x
  3. Step 3: Cross multiply
    2,662.85x = 3,675.04 × 1,528.92
  4. Step 4: Simplify right side
    2,662.85x = 5,618,838.33
  5. Step 5: Solve for x
    x = 5,618,838.33/2,662.85
  6. Step 6: Final answer
    x = 2,110.08

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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.