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Finding the Fourth Proportional to 2,618.04, 3,927.04 and 670.23

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Solution

The fourth proportional to 2,618.04, 3,927.04 and 670.23 is: 1,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.04 : 3,927.04 = 670.23 : x
  2. Step 2: Convert to fraction form
    2,618.04/3,927.04 = 670.23/x
  3. Step 3: Cross multiply
    2,618.04x = 3,927.04 × 670.23
  4. Step 4: Simplify right side
    2,618.04x = 2,632,020.02
  5. Step 5: Solve for x
    x = 2,632,020.02/2,618.04
  6. Step 6: Final answer
    x = 1,005.34

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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.