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Finding the Fourth Proportional to 7,357.10, 11,026.05 and 3,407.90

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Solution

The fourth proportional to 7,357.10, 11,026.05 and 3,407.90 is: 5,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.10 : 11,026.05 = 3,407.90 : x
  2. Step 2: Convert to fraction form
    7,357.10/11,026.05 = 3,407.90/x
  3. Step 3: Cross multiply
    7,357.10x = 11,026.05 × 3,407.90
  4. Step 4: Simplify right side
    7,357.10x = 37,575,675.80
  5. Step 5: Solve for x
    x = 37,575,675.80/7,357.10
  6. Step 6: Final answer
    x = 5,107.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.