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Finding the Fourth Proportional to 1,826.55, 2,520.90 and 1,040.67

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Solution

The fourth proportional to 1,826.55, 2,520.90 and 1,040.67 is: 1,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.55 : 2,520.90 = 1,040.67 : x
  2. Step 2: Convert to fraction form
    1,826.55/2,520.90 = 1,040.67/x
  3. Step 3: Cross multiply
    1,826.55x = 2,520.90 × 1,040.67
  4. Step 4: Simplify right side
    1,826.55x = 2,623,425.00
  5. Step 5: Solve for x
    x = 2,623,425.00/1,826.55
  6. Step 6: Final answer
    x = 1,436.27

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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.