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Finding the Fourth Proportional to 60,497.79, 90,667.84 and 30,890.67

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Solution

The fourth proportional to 60,497.79, 90,667.84 and 30,890.67 is: 46,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.79 : 90,667.84 = 30,890.67 : x
  2. Step 2: Convert to fraction form
    60,497.79/90,667.84 = 30,890.67/x
  3. Step 3: Cross multiply
    60,497.79x = 90,667.84 × 30,890.67
  4. Step 4: Simplify right side
    60,497.79x = 2,800,790,325.05
  5. Step 5: Solve for x
    x = 2,800,790,325.05/60,497.79
  6. Step 6: Final answer
    x = 46,295.75

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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.