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Finding the Fourth Proportional to 34,868.70, 52,302.60 and 8,573.67

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Solution

The fourth proportional to 34,868.70, 52,302.60 and 8,573.67 is: 12,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,868.70 : 52,302.60 = 8,573.67 : x
  2. Step 2: Convert to fraction form
    34,868.70/52,302.60 = 8,573.67/x
  3. Step 3: Cross multiply
    34,868.70x = 52,302.60 × 8,573.67
  4. Step 4: Simplify right side
    34,868.70x = 448,425,428.68
  5. Step 5: Solve for x
    x = 448,425,428.68/34,868.70
  6. Step 6: Final answer
    x = 12,860.40

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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.