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Finding the Fourth Proportional to 13,595.68, 20,391.08 and 3,733.68

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Solution

The fourth proportional to 13,595.68, 20,391.08 and 3,733.68 is: 5,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.68 : 20,391.08 = 3,733.68 : x
  2. Step 2: Convert to fraction form
    13,595.68/20,391.08 = 3,733.68/x
  3. Step 3: Cross multiply
    13,595.68x = 20,391.08 × 3,733.68
  4. Step 4: Simplify right side
    13,595.68x = 76,133,767.57
  5. Step 5: Solve for x
    x = 76,133,767.57/13,595.68
  6. Step 6: Final answer
    x = 5,599.85

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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.