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Finding the Fourth Proportional to 1,114.00, 1,537.58 and 741.00

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Solution

The fourth proportional to 1,114.00, 1,537.58 and 741.00 is: 1,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.00 : 1,537.58 = 741.00 : x
  2. Step 2: Convert to fraction form
    1,114.00/1,537.58 = 741.00/x
  3. Step 3: Cross multiply
    1,114.00x = 1,537.58 × 741.00
  4. Step 4: Simplify right side
    1,114.00x = 1,139,345.75
  5. Step 5: Solve for x
    x = 1,139,345.75/1,114.00
  6. Step 6: Final answer
    x = 1,022.75

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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.