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Finding the Fourth Proportional to 1,903.64, 2,625.72 and 1,654.53

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Solution

The fourth proportional to 1,903.64, 2,625.72 and 1,654.53 is: 2,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.64 : 2,625.72 = 1,654.53 : x
  2. Step 2: Convert to fraction form
    1,903.64/2,625.72 = 1,654.53/x
  3. Step 3: Cross multiply
    1,903.64x = 2,625.72 × 1,654.53
  4. Step 4: Simplify right side
    1,903.64x = 4,344,332.51
  5. Step 5: Solve for x
    x = 4,344,332.51/1,903.64
  6. Step 6: Final answer
    x = 2,282.12

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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.