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Finding the Fourth Proportional to 3,135.95, 4,703.94 and 944.69

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Solution

The fourth proportional to 3,135.95, 4,703.94 and 944.69 is: 1,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.95 : 4,703.94 = 944.69 : x
  2. Step 2: Convert to fraction form
    3,135.95/4,703.94 = 944.69/x
  3. Step 3: Cross multiply
    3,135.95x = 4,703.94 × 944.69
  4. Step 4: Simplify right side
    3,135.95x = 4,443,741.56
  5. Step 5: Solve for x
    x = 4,443,741.56/3,135.95
  6. Step 6: Final answer
    x = 1,417.03

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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.