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Finding the Fourth Proportional to 1,554.01, 2,326.91 and 936.88

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Solution

The fourth proportional to 1,554.01, 2,326.91 and 936.88 is: 1,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.01 : 2,326.91 = 936.88 : x
  2. Step 2: Convert to fraction form
    1,554.01/2,326.91 = 936.88/x
  3. Step 3: Cross multiply
    1,554.01x = 2,326.91 × 936.88
  4. Step 4: Simplify right side
    1,554.01x = 2,180,019.12
  5. Step 5: Solve for x
    x = 2,180,019.12/1,554.01
  6. Step 6: Final answer
    x = 1,402.84

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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.