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Finding the Fourth Proportional to 2,852.42, 3,935.08 and 1,672.95

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Solution

The fourth proportional to 2,852.42, 3,935.08 and 1,672.95 is: 2,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.42 : 3,935.08 = 1,672.95 : x
  2. Step 2: Convert to fraction form
    2,852.42/3,935.08 = 1,672.95/x
  3. Step 3: Cross multiply
    2,852.42x = 3,935.08 × 1,672.95
  4. Step 4: Simplify right side
    2,852.42x = 6,583,208.93
  5. Step 5: Solve for x
    x = 6,583,208.93/2,852.42
  6. Step 6: Final answer
    x = 2,307.94

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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.