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Finding the Fourth Proportional to 3,245.84, 4,479.20 and 1,848.58

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Solution

The fourth proportional to 3,245.84, 4,479.20 and 1,848.58 is: 2,551.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.84 : 4,479.20 = 1,848.58 : x
  2. Step 2: Convert to fraction form
    3,245.84/4,479.20 = 1,848.58/x
  3. Step 3: Cross multiply
    3,245.84x = 4,479.20 × 1,848.58
  4. Step 4: Simplify right side
    3,245.84x = 8,280,159.54
  5. Step 5: Solve for x
    x = 8,280,159.54/3,245.84
  6. Step 6: Final answer
    x = 2,551.01

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Why These Related Problems?

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