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Finding the Fourth Proportional to 2,886.01, 3,980.68 and 1,707.05

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Solution

The fourth proportional to 2,886.01, 3,980.68 and 1,707.05 is: 2,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.01 : 3,980.68 = 1,707.05 : x
  2. Step 2: Convert to fraction form
    2,886.01/3,980.68 = 1,707.05/x
  3. Step 3: Cross multiply
    2,886.01x = 3,980.68 × 1,707.05
  4. Step 4: Simplify right side
    2,886.01x = 6,795,225.48
  5. Step 5: Solve for x
    x = 6,795,225.48/2,886.01
  6. Step 6: Final answer
    x = 2,354.54

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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.