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Finding the Fourth Proportional to 5,063.96, 6,986.16 and 3,073.76

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Solution

The fourth proportional to 5,063.96, 6,986.16 and 3,073.76 is: 4,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.96 : 6,986.16 = 3,073.76 : x
  2. Step 2: Convert to fraction form
    5,063.96/6,986.16 = 3,073.76/x
  3. Step 3: Cross multiply
    5,063.96x = 6,986.16 × 3,073.76
  4. Step 4: Simplify right side
    5,063.96x = 21,473,779.16
  5. Step 5: Solve for x
    x = 21,473,779.16/5,063.96
  6. Step 6: Final answer
    x = 4,240.51

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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.