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Finding the Fourth Proportional to 2,041.88, 3,062.81 and 887.63

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Solution

The fourth proportional to 2,041.88, 3,062.81 and 887.63 is: 1,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.88 : 3,062.81 = 887.63 : x
  2. Step 2: Convert to fraction form
    2,041.88/3,062.81 = 887.63/x
  3. Step 3: Cross multiply
    2,041.88x = 3,062.81 × 887.63
  4. Step 4: Simplify right side
    2,041.88x = 2,718,628.95
  5. Step 5: Solve for x
    x = 2,718,628.95/2,041.88
  6. Step 6: Final answer
    x = 1,331.44

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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.