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Finding the Fourth Proportional to 1,846.04, 2,769.59 and 691.88

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Solution

The fourth proportional to 1,846.04, 2,769.59 and 691.88 is: 1,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.04 : 2,769.59 = 691.88 : x
  2. Step 2: Convert to fraction form
    1,846.04/2,769.59 = 691.88/x
  3. Step 3: Cross multiply
    1,846.04x = 2,769.59 × 691.88
  4. Step 4: Simplify right side
    1,846.04x = 1,916,211.81
  5. Step 5: Solve for x
    x = 1,916,211.81/1,846.04
  6. Step 6: Final answer
    x = 1,038.01

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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.