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Finding the Fourth Proportional to 4,584.04, 6,874.77 and 1,421.78

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Solution

The fourth proportional to 4,584.04, 6,874.77 and 1,421.78 is: 2,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.04 : 6,874.77 = 1,421.78 : x
  2. Step 2: Convert to fraction form
    4,584.04/6,874.77 = 1,421.78/x
  3. Step 3: Cross multiply
    4,584.04x = 6,874.77 × 1,421.78
  4. Step 4: Simplify right side
    4,584.04x = 9,774,400.78
  5. Step 5: Solve for x
    x = 9,774,400.78/4,584.04
  6. Step 6: Final answer
    x = 2,132.27

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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.