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Finding the Fourth Proportional to 1,104.54, 1,653.93 and 1,041.18

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Solution

The fourth proportional to 1,104.54, 1,653.93 and 1,041.18 is: 1,559.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.54 : 1,653.93 = 1,041.18 : x
  2. Step 2: Convert to fraction form
    1,104.54/1,653.93 = 1,041.18/x
  3. Step 3: Cross multiply
    1,104.54x = 1,653.93 × 1,041.18
  4. Step 4: Simplify right side
    1,104.54x = 1,722,038.84
  5. Step 5: Solve for x
    x = 1,722,038.84/1,104.54
  6. Step 6: Final answer
    x = 1,559.06

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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.