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Finding the Fourth Proportional to 5,514.94, 7,609.08 and 3,156.94

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Solution

The fourth proportional to 5,514.94, 7,609.08 and 3,156.94 is: 4,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.94 : 7,609.08 = 3,156.94 : x
  2. Step 2: Convert to fraction form
    5,514.94/7,609.08 = 3,156.94/x
  3. Step 3: Cross multiply
    5,514.94x = 7,609.08 × 3,156.94
  4. Step 4: Simplify right side
    5,514.94x = 24,021,409.02
  5. Step 5: Solve for x
    x = 24,021,409.02/5,514.94
  6. Step 6: Final answer
    x = 4,355.70

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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.