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Finding the Fourth Proportional to 4,057.04, 6,085.54 and 979.04

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Solution

The fourth proportional to 4,057.04, 6,085.54 and 979.04 is: 1,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.04 : 6,085.54 = 979.04 : x
  2. Step 2: Convert to fraction form
    4,057.04/6,085.54 = 979.04/x
  3. Step 3: Cross multiply
    4,057.04x = 6,085.54 × 979.04
  4. Step 4: Simplify right side
    4,057.04x = 5,957,987.08
  5. Step 5: Solve for x
    x = 5,957,987.08/4,057.04
  6. Step 6: Final answer
    x = 1,468.56

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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.