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Finding the Fourth Proportional to 1,766.00, 2,437.28 and 980.12

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Solution

The fourth proportional to 1,766.00, 2,437.28 and 980.12 is: 1,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.00 : 2,437.28 = 980.12 : x
  2. Step 2: Convert to fraction form
    1,766.00/2,437.28 = 980.12/x
  3. Step 3: Cross multiply
    1,766.00x = 2,437.28 × 980.12
  4. Step 4: Simplify right side
    1,766.00x = 2,388,809.79
  5. Step 5: Solve for x
    x = 2,388,809.79/1,766.00
  6. Step 6: Final answer
    x = 1,352.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.