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Finding the Fourth Proportional to 1,891.04, 2,609.25 and 1,104.93

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Solution

The fourth proportional to 1,891.04, 2,609.25 and 1,104.93 is: 1,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.04 : 2,609.25 = 1,104.93 : x
  2. Step 2: Convert to fraction form
    1,891.04/2,609.25 = 1,104.93/x
  3. Step 3: Cross multiply
    1,891.04x = 2,609.25 × 1,104.93
  4. Step 4: Simplify right side
    1,891.04x = 2,883,045.13
  5. Step 5: Solve for x
    x = 2,883,045.13/1,891.04
  6. Step 6: Final answer
    x = 1,524.58

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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.