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Finding the Fourth Proportional to 1,593.81, 2,199.38 and 885.69

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Solution

The fourth proportional to 1,593.81, 2,199.38 and 885.69 is: 1,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.81 : 2,199.38 = 885.69 : x
  2. Step 2: Convert to fraction form
    1,593.81/2,199.38 = 885.69/x
  3. Step 3: Cross multiply
    1,593.81x = 2,199.38 × 885.69
  4. Step 4: Simplify right side
    1,593.81x = 1,947,964.44
  5. Step 5: Solve for x
    x = 1,947,964.44/1,593.81
  6. Step 6: Final answer
    x = 1,222.21

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.