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Finding the Fourth Proportional to 1,595.74, 2,202.13 and 887.59

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Solution

The fourth proportional to 1,595.74, 2,202.13 and 887.59 is: 1,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.74 : 2,202.13 = 887.59 : x
  2. Step 2: Convert to fraction form
    1,595.74/2,202.13 = 887.59/x
  3. Step 3: Cross multiply
    1,595.74x = 2,202.13 × 887.59
  4. Step 4: Simplify right side
    1,595.74x = 1,954,588.57
  5. Step 5: Solve for x
    x = 1,954,588.57/1,595.74
  6. Step 6: Final answer
    x = 1,224.88

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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.