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Finding the Fourth Proportional to 2,858.67, 4,284.59 and 1,472.67

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Solution

The fourth proportional to 2,858.67, 4,284.59 and 1,472.67 is: 2,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.67 : 4,284.59 = 1,472.67 : x
  2. Step 2: Convert to fraction form
    2,858.67/4,284.59 = 1,472.67/x
  3. Step 3: Cross multiply
    2,858.67x = 4,284.59 × 1,472.67
  4. Step 4: Simplify right side
    2,858.67x = 6,309,779.79
  5. Step 5: Solve for x
    x = 6,309,779.79/2,858.67
  6. Step 6: Final answer
    x = 2,207.24

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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.