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Finding the Fourth Proportional to 2,014.84, 2,779.08 and 1,641.82

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Solution

The fourth proportional to 2,014.84, 2,779.08 and 1,641.82 is: 2,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.84 : 2,779.08 = 1,641.82 : x
  2. Step 2: Convert to fraction form
    2,014.84/2,779.08 = 1,641.82/x
  3. Step 3: Cross multiply
    2,014.84x = 2,779.08 × 1,641.82
  4. Step 4: Simplify right side
    2,014.84x = 4,562,749.13
  5. Step 5: Solve for x
    x = 4,562,749.13/2,014.84
  6. Step 6: Final answer
    x = 2,264.57

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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.