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Finding the Fourth Proportional to 1,935.98, 2,903.57 and 825.18

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Solution

The fourth proportional to 1,935.98, 2,903.57 and 825.18 is: 1,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.98 : 2,903.57 = 825.18 : x
  2. Step 2: Convert to fraction form
    1,935.98/2,903.57 = 825.18/x
  3. Step 3: Cross multiply
    1,935.98x = 2,903.57 × 825.18
  4. Step 4: Simplify right side
    1,935.98x = 2,395,969.96
  5. Step 5: Solve for x
    x = 2,395,969.96/1,935.98
  6. Step 6: Final answer
    x = 1,237.60

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1.5x scale

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.