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Finding the Fourth Proportional to 1,775.92, 2,660.80 and 1,595.56

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Solution

The fourth proportional to 1,775.92, 2,660.80 and 1,595.56 is: 2,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.92 : 2,660.80 = 1,595.56 : x
  2. Step 2: Convert to fraction form
    1,775.92/2,660.80 = 1,595.56/x
  3. Step 3: Cross multiply
    1,775.92x = 2,660.80 × 1,595.56
  4. Step 4: Simplify right side
    1,775.92x = 4,245,466.05
  5. Step 5: Solve for x
    x = 4,245,466.05/1,775.92
  6. Step 6: Final answer
    x = 2,390.57

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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.