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Finding the Fourth Proportional to 8,503.46, 12,757.67 and 3,570.50

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Solution

The fourth proportional to 8,503.46, 12,757.67 and 3,570.50 is: 5,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.46 : 12,757.67 = 3,570.50 : x
  2. Step 2: Convert to fraction form
    8,503.46/12,757.67 = 3,570.50/x
  3. Step 3: Cross multiply
    8,503.46x = 12,757.67 × 3,570.50
  4. Step 4: Simplify right side
    8,503.46x = 45,551,260.74
  5. Step 5: Solve for x
    x = 45,551,260.74/8,503.46
  6. Step 6: Final answer
    x = 5,356.79

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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.