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Finding the Fourth Proportional to 5,748.09, 8,620.30 and 2,460.30

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Solution

The fourth proportional to 5,748.09, 8,620.30 and 2,460.30 is: 3,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.09 : 8,620.30 = 2,460.30 : x
  2. Step 2: Convert to fraction form
    5,748.09/8,620.30 = 2,460.30/x
  3. Step 3: Cross multiply
    5,748.09x = 8,620.30 × 2,460.30
  4. Step 4: Simplify right side
    5,748.09x = 21,208,524.09
  5. Step 5: Solve for x
    x = 21,208,524.09/5,748.09
  6. Step 6: Final answer
    x = 3,689.66

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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.