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Finding the Fourth Proportional to 4,354.72, 6,012.09 and 2,865.19

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Solution

The fourth proportional to 4,354.72, 6,012.09 and 2,865.19 is: 3,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.72 : 6,012.09 = 2,865.19 : x
  2. Step 2: Convert to fraction form
    4,354.72/6,012.09 = 2,865.19/x
  3. Step 3: Cross multiply
    4,354.72x = 6,012.09 × 2,865.19
  4. Step 4: Simplify right side
    4,354.72x = 17,225,780.15
  5. Step 5: Solve for x
    x = 17,225,780.15/4,354.72
  6. Step 6: Final answer
    x = 3,955.66

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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.