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Finding the Fourth Proportional to 1,593.33, 2,199.05 and 930.21

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Solution

The fourth proportional to 1,593.33, 2,199.05 and 930.21 is: 1,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.33 : 2,199.05 = 930.21 : x
  2. Step 2: Convert to fraction form
    1,593.33/2,199.05 = 930.21/x
  3. Step 3: Cross multiply
    1,593.33x = 2,199.05 × 930.21
  4. Step 4: Simplify right side
    1,593.33x = 2,045,578.30
  5. Step 5: Solve for x
    x = 2,045,578.30/1,593.33
  6. Step 6: Final answer
    x = 1,283.84

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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.