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Finding the Fourth Proportional to 3,335.78, 5,004.66 and 1,486.64

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Solution

The fourth proportional to 3,335.78, 5,004.66 and 1,486.64 is: 2,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.78 : 5,004.66 = 1,486.64 : x
  2. Step 2: Convert to fraction form
    3,335.78/5,004.66 = 1,486.64/x
  3. Step 3: Cross multiply
    3,335.78x = 5,004.66 × 1,486.64
  4. Step 4: Simplify right side
    3,335.78x = 7,440,127.74
  5. Step 5: Solve for x
    x = 7,440,127.74/3,335.78
  6. Step 6: Final answer
    x = 2,230.40

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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.