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Finding the Fourth Proportional to 4,523.33, 6,780.16 and 1,890.16

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Solution

The fourth proportional to 4,523.33, 6,780.16 and 1,890.16 is: 2,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,523.33 : 6,780.16 = 1,890.16 : x
  2. Step 2: Convert to fraction form
    4,523.33/6,780.16 = 1,890.16/x
  3. Step 3: Cross multiply
    4,523.33x = 6,780.16 × 1,890.16
  4. Step 4: Simplify right side
    4,523.33x = 12,815,581.07
  5. Step 5: Solve for x
    x = 12,815,581.07/4,523.33
  6. Step 6: Final answer
    x = 2,833.22

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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.