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Finding the Fourth Proportional to 3,264.86, 4,899.18 and 1,316.54

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Solution

The fourth proportional to 3,264.86, 4,899.18 and 1,316.54 is: 1,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.86 : 4,899.18 = 1,316.54 : x
  2. Step 2: Convert to fraction form
    3,264.86/4,899.18 = 1,316.54/x
  3. Step 3: Cross multiply
    3,264.86x = 4,899.18 × 1,316.54
  4. Step 4: Simplify right side
    3,264.86x = 6,449,966.44
  5. Step 5: Solve for x
    x = 6,449,966.44/3,264.86
  6. Step 6: Final answer
    x = 1,975.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.