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Finding the Fourth Proportional to 4,393.31, 6,603.53 and 2,941.79

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Solution

The fourth proportional to 4,393.31, 6,603.53 and 2,941.79 is: 4,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.31 : 6,603.53 = 2,941.79 : x
  2. Step 2: Convert to fraction form
    4,393.31/6,603.53 = 2,941.79/x
  3. Step 3: Cross multiply
    4,393.31x = 6,603.53 × 2,941.79
  4. Step 4: Simplify right side
    4,393.31x = 19,426,150.79
  5. Step 5: Solve for x
    x = 19,426,150.79/4,393.31
  6. Step 6: Final answer
    x = 4,421.76

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1.5x scale

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.