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Finding the Fourth Proportional to 1,180.38, 1,626.66 and 848.28

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Solution

The fourth proportional to 1,180.38, 1,626.66 and 848.28 is: 1,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.38 : 1,626.66 = 848.28 : x
  2. Step 2: Convert to fraction form
    1,180.38/1,626.66 = 848.28/x
  3. Step 3: Cross multiply
    1,180.38x = 1,626.66 × 848.28
  4. Step 4: Simplify right side
    1,180.38x = 1,379,863.14
  5. Step 5: Solve for x
    x = 1,379,863.14/1,180.38
  6. Step 6: Final answer
    x = 1,169.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.