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Finding the Fourth Proportional to 2,029.94, 3,045.65 and 860.24

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Solution

The fourth proportional to 2,029.94, 3,045.65 and 860.24 is: 1,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.94 : 3,045.65 = 860.24 : x
  2. Step 2: Convert to fraction form
    2,029.94/3,045.65 = 860.24/x
  3. Step 3: Cross multiply
    2,029.94x = 3,045.65 × 860.24
  4. Step 4: Simplify right side
    2,029.94x = 2,619,989.96
  5. Step 5: Solve for x
    x = 2,619,989.96/2,029.94
  6. Step 6: Final answer
    x = 1,290.67

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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.