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Finding the Fourth Proportional to 8,873.67, 13,313.70 and 3,805.74

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Solution

The fourth proportional to 8,873.67, 13,313.70 and 3,805.74 is: 5,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.67 : 13,313.70 = 3,805.74 : x
  2. Step 2: Convert to fraction form
    8,873.67/13,313.70 = 3,805.74/x
  3. Step 3: Cross multiply
    8,873.67x = 13,313.70 × 3,805.74
  4. Step 4: Simplify right side
    8,873.67x = 50,668,461.61
  5. Step 5: Solve for x
    x = 50,668,461.61/8,873.67
  6. Step 6: Final answer
    x = 5,709.98

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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.