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Finding the Fourth Proportional to 7,863.16, 11,779.62 and 4,402.84

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Solution

The fourth proportional to 7,863.16, 11,779.62 and 4,402.84 is: 6,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.16 : 11,779.62 = 4,402.84 : x
  2. Step 2: Convert to fraction form
    7,863.16/11,779.62 = 4,402.84/x
  3. Step 3: Cross multiply
    7,863.16x = 11,779.62 × 4,402.84
  4. Step 4: Simplify right side
    7,863.16x = 51,863,782.12
  5. Step 5: Solve for x
    x = 51,863,782.12/7,863.16
  6. Step 6: Final answer
    x = 6,595.79

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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.