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Finding the Fourth Proportional to 1,692.77, 2,336.01 and 946.73

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Solution

The fourth proportional to 1,692.77, 2,336.01 and 946.73 is: 1,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.77 : 2,336.01 = 946.73 : x
  2. Step 2: Convert to fraction form
    1,692.77/2,336.01 = 946.73/x
  3. Step 3: Cross multiply
    1,692.77x = 2,336.01 × 946.73
  4. Step 4: Simplify right side
    1,692.77x = 2,211,554.33
  5. Step 5: Solve for x
    x = 2,211,554.33/1,692.77
  6. Step 6: Final answer
    x = 1,306.47

Related Problems

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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.