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Finding the Fourth Proportional to 4,386.60, 6,577.43 and 3,867.84

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Solution

The fourth proportional to 4,386.60, 6,577.43 and 3,867.84 is: 5,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.60 : 6,577.43 = 3,867.84 : x
  2. Step 2: Convert to fraction form
    4,386.60/6,577.43 = 3,867.84/x
  3. Step 3: Cross multiply
    4,386.60x = 6,577.43 × 3,867.84
  4. Step 4: Simplify right side
    4,386.60x = 25,440,427.51
  5. Step 5: Solve for x
    x = 25,440,427.51/4,386.60
  6. Step 6: Final answer
    x = 5,799.58

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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.