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Finding the Fourth Proportional to 1,759, 2,427.54 and 973.24

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Solution

The fourth proportional to 1,759, 2,427.54 and 973.24 is: 1,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759 : 2,427.54 = 973.24 : x
  2. Step 2: Convert to fraction form
    1,759/2,427.54 = 973.24/x
  3. Step 3: Cross multiply
    1,759x = 2,427.54 × 973.24
  4. Step 4: Simplify right side
    1,759x = 2,362,579.03
  5. Step 5: Solve for x
    x = 2,362,579.03/1,759
  6. Step 6: Final answer
    x = 1,343.14

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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.