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Finding the Fourth Proportional to 8,903.84, 13,353.60 and 3,709.76

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Solution

The fourth proportional to 8,903.84, 13,353.60 and 3,709.76 is: 5,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.84 : 13,353.60 = 3,709.76 : x
  2. Step 2: Convert to fraction form
    8,903.84/13,353.60 = 3,709.76/x
  3. Step 3: Cross multiply
    8,903.84x = 13,353.60 × 3,709.76
  4. Step 4: Simplify right side
    8,903.84x = 49,538,651.14
  5. Step 5: Solve for x
    x = 49,538,651.14/8,903.84
  6. Step 6: Final answer
    x = 5,563.74

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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.