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Finding the Fourth Proportional to 2,960.04, 4,440.06 and 1,012.80

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Solution

The fourth proportional to 2,960.04, 4,440.06 and 1,012.80 is: 1,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.04 : 4,440.06 = 1,012.80 : x
  2. Step 2: Convert to fraction form
    2,960.04/4,440.06 = 1,012.80/x
  3. Step 3: Cross multiply
    2,960.04x = 4,440.06 × 1,012.80
  4. Step 4: Simplify right side
    2,960.04x = 4,496,892.77
  5. Step 5: Solve for x
    x = 4,496,892.77/2,960.04
  6. Step 6: Final answer
    x = 1,519.20

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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.