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Finding the Fourth Proportional to 3,012.99, 4,520.15 and 1,454.76

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Solution

The fourth proportional to 3,012.99, 4,520.15 and 1,454.76 is: 2,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.99 : 4,520.15 = 1,454.76 : x
  2. Step 2: Convert to fraction form
    3,012.99/4,520.15 = 1,454.76/x
  3. Step 3: Cross multiply
    3,012.99x = 4,520.15 × 1,454.76
  4. Step 4: Simplify right side
    3,012.99x = 6,575,703.54
  5. Step 5: Solve for x
    x = 6,575,703.54/3,012.99
  6. Step 6: Final answer
    x = 2,182.45

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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.