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Finding the Fourth Proportional to 1,607.27, 2,412 and 741.59

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Solution

The fourth proportional to 1,607.27, 2,412 and 741.59 is: 1,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.27 : 2,412 = 741.59 : x
  2. Step 2: Convert to fraction form
    1,607.27/2,412 = 741.59/x
  3. Step 3: Cross multiply
    1,607.27x = 2,412 × 741.59
  4. Step 4: Simplify right side
    1,607.27x = 1,788,715.08
  5. Step 5: Solve for x
    x = 1,788,715.08/1,607.27
  6. Step 6: Final answer
    x = 1,112.89

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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.