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Finding the Fourth Proportional to 3,468, 4,779.24 and 2,418.24

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Solution

The fourth proportional to 3,468, 4,779.24 and 2,418.24 is: 3,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468 : 4,779.24 = 2,418.24 : x
  2. Step 2: Convert to fraction form
    3,468/4,779.24 = 2,418.24/x
  3. Step 3: Cross multiply
    3,468x = 4,779.24 × 2,418.24
  4. Step 4: Simplify right side
    3,468x = 11,557,349.34
  5. Step 5: Solve for x
    x = 11,557,349.34/3,468
  6. Step 6: Final answer
    x = 3,332.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.