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Finding the Fourth Proportional to 1,593.88, 2,199.10 and 955.56

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Solution

The fourth proportional to 1,593.88, 2,199.10 and 955.56 is: 1,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.88 : 2,199.10 = 955.56 : x
  2. Step 2: Convert to fraction form
    1,593.88/2,199.10 = 955.56/x
  3. Step 3: Cross multiply
    1,593.88x = 2,199.10 × 955.56
  4. Step 4: Simplify right side
    1,593.88x = 2,101,372.00
  5. Step 5: Solve for x
    x = 2,101,372.00/1,593.88
  6. Step 6: Final answer
    x = 1,318.40

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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.