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Finding the Fourth Proportional to 1,593.71, 2,199.33 and 885.56

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Solution

The fourth proportional to 1,593.71, 2,199.33 and 885.56 is: 1,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.71 : 2,199.33 = 885.56 : x
  2. Step 2: Convert to fraction form
    1,593.71/2,199.33 = 885.56/x
  3. Step 3: Cross multiply
    1,593.71x = 2,199.33 × 885.56
  4. Step 4: Simplify right side
    1,593.71x = 1,947,638.67
  5. Step 5: Solve for x
    x = 1,947,638.67/1,593.71
  6. Step 6: Final answer
    x = 1,222.08

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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.