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Finding the Fourth Proportional to 43,995.60, 65,992.77 and 10,715.67

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Solution

The fourth proportional to 43,995.60, 65,992.77 and 10,715.67 is: 16,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.60 : 65,992.77 = 10,715.67 : x
  2. Step 2: Convert to fraction form
    43,995.60/65,992.77 = 10,715.67/x
  3. Step 3: Cross multiply
    43,995.60x = 65,992.77 × 10,715.67
  4. Step 4: Simplify right side
    43,995.60x = 707,156,745.71
  5. Step 5: Solve for x
    x = 707,156,745.71/43,995.60
  6. Step 6: Final answer
    x = 16,073.35

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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.