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Finding the Fourth Proportional to 3,029.68, 4,544.54 and 977.68

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Solution

The fourth proportional to 3,029.68, 4,544.54 and 977.68 is: 1,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.68 : 4,544.54 = 977.68 : x
  2. Step 2: Convert to fraction form
    3,029.68/4,544.54 = 977.68/x
  3. Step 3: Cross multiply
    3,029.68x = 4,544.54 × 977.68
  4. Step 4: Simplify right side
    3,029.68x = 4,443,105.87
  5. Step 5: Solve for x
    x = 4,443,105.87/3,029.68
  6. Step 6: Final answer
    x = 1,466.53

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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.