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Finding the Fourth Proportional to 5,066.90, 7,601.11 and 1,779.41

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Solution

The fourth proportional to 5,066.90, 7,601.11 and 1,779.41 is: 2,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.90 : 7,601.11 = 1,779.41 : x
  2. Step 2: Convert to fraction form
    5,066.90/7,601.11 = 1,779.41/x
  3. Step 3: Cross multiply
    5,066.90x = 7,601.11 × 1,779.41
  4. Step 4: Simplify right side
    5,066.90x = 13,525,482.25
  5. Step 5: Solve for x
    x = 13,525,482.25/5,066.90
  6. Step 6: Final answer
    x = 2,669.38

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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.