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Finding the Fourth Proportional to 1,593.08, 2,390.30 and 824.12

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Solution

The fourth proportional to 1,593.08, 2,390.30 and 824.12 is: 1,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.08 : 2,390.30 = 824.12 : x
  2. Step 2: Convert to fraction form
    1,593.08/2,390.30 = 824.12/x
  3. Step 3: Cross multiply
    1,593.08x = 2,390.30 × 824.12
  4. Step 4: Simplify right side
    1,593.08x = 1,969,894.04
  5. Step 5: Solve for x
    x = 1,969,894.04/1,593.08
  6. Step 6: Final answer
    x = 1,236.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.