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Finding the Fourth Proportional to 1,592.73, 2,199.42 and 1,199.07

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Solution

The fourth proportional to 1,592.73, 2,199.42 and 1,199.07 is: 1,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.73 : 2,199.42 = 1,199.07 : x
  2. Step 2: Convert to fraction form
    1,592.73/2,199.42 = 1,199.07/x
  3. Step 3: Cross multiply
    1,592.73x = 2,199.42 × 1,199.07
  4. Step 4: Simplify right side
    1,592.73x = 2,637,258.54
  5. Step 5: Solve for x
    x = 2,637,258.54/1,592.73
  6. Step 6: Final answer
    x = 1,655.81

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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.