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Finding the Fourth Proportional to 1,368.97, 2,054.13 and 848.83

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Solution

The fourth proportional to 1,368.97, 2,054.13 and 848.83 is: 1,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.97 : 2,054.13 = 848.83 : x
  2. Step 2: Convert to fraction form
    1,368.97/2,054.13 = 848.83/x
  3. Step 3: Cross multiply
    1,368.97x = 2,054.13 × 848.83
  4. Step 4: Simplify right side
    1,368.97x = 1,743,607.17
  5. Step 5: Solve for x
    x = 1,743,607.17/1,368.97
  6. Step 6: Final answer
    x = 1,273.66

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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.