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Finding the Fourth Proportional to 64,863.98, 89,508.82 and 36,567.85

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Solution

The fourth proportional to 64,863.98, 89,508.82 and 36,567.85 is: 50,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,863.98 : 89,508.82 = 36,567.85 : x
  2. Step 2: Convert to fraction form
    64,863.98/89,508.82 = 36,567.85/x
  3. Step 3: Cross multiply
    64,863.98x = 89,508.82 × 36,567.85
  4. Step 4: Simplify right side
    64,863.98x = 3,273,144,564.47
  5. Step 5: Solve for x
    x = 3,273,144,564.47/64,863.98
  6. Step 6: Final answer
    x = 50,461.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.