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Finding the Fourth Proportional to 1,595.55, 2,201.77 and 896.88

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Solution

The fourth proportional to 1,595.55, 2,201.77 and 896.88 is: 1,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.55 : 2,201.77 = 896.88 : x
  2. Step 2: Convert to fraction form
    1,595.55/2,201.77 = 896.88/x
  3. Step 3: Cross multiply
    1,595.55x = 2,201.77 × 896.88
  4. Step 4: Simplify right side
    1,595.55x = 1,974,723.48
  5. Step 5: Solve for x
    x = 1,974,723.48/1,595.55
  6. Step 6: Final answer
    x = 1,237.64

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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.