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Finding the Fourth Proportional to 1,595.36, 2,201.56 and 896.76

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Solution

The fourth proportional to 1,595.36, 2,201.56 and 896.76 is: 1,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.36 : 2,201.56 = 896.76 : x
  2. Step 2: Convert to fraction form
    1,595.36/2,201.56 = 896.76/x
  3. Step 3: Cross multiply
    1,595.36x = 2,201.56 × 896.76
  4. Step 4: Simplify right side
    1,595.36x = 1,974,270.95
  5. Step 5: Solve for x
    x = 1,974,270.95/1,595.36
  6. Step 6: Final answer
    x = 1,237.51

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Half scale
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Double scale
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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.