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Finding the Fourth Proportional to 1,653.90, 2,322.75 and 1,653.90

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Solution

The fourth proportional to 1,653.90, 2,322.75 and 1,653.90 is: 2,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.90 : 2,322.75 = 1,653.90 : x
  2. Step 2: Convert to fraction form
    1,653.90/2,322.75 = 1,653.90/x
  3. Step 3: Cross multiply
    1,653.90x = 2,322.75 × 1,653.90
  4. Step 4: Simplify right side
    1,653.90x = 3,841,596.23
  5. Step 5: Solve for x
    x = 3,841,596.23/1,653.90
  6. Step 6: Final answer
    x = 2,322.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.