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Finding the Fourth Proportional to 1,697.94, 2,544.66 and 1,655.01

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Solution

The fourth proportional to 1,697.94, 2,544.66 and 1,655.01 is: 2,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.94 : 2,544.66 = 1,655.01 : x
  2. Step 2: Convert to fraction form
    1,697.94/2,544.66 = 1,655.01/x
  3. Step 3: Cross multiply
    1,697.94x = 2,544.66 × 1,655.01
  4. Step 4: Simplify right side
    1,697.94x = 4,211,437.75
  5. Step 5: Solve for x
    x = 4,211,437.75/1,697.94
  6. Step 6: Final answer
    x = 2,480.32

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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.