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Finding the Fourth Proportional to 741.04, 1,111.55 and 695.93

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Solution

The fourth proportional to 741.04, 1,111.55 and 695.93 is: 1,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.04 : 1,111.55 = 695.93 : x
  2. Step 2: Convert to fraction form
    741.04/1,111.55 = 695.93/x
  3. Step 3: Cross multiply
    741.04x = 1,111.55 × 695.93
  4. Step 4: Simplify right side
    741.04x = 773,560.99
  5. Step 5: Solve for x
    x = 773,560.99/741.04
  6. Step 6: Final answer
    x = 1,043.89

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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.