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Finding the Fourth Proportional to 34,949.70, 52,423.95 and 8,654.46

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Solution

The fourth proportional to 34,949.70, 52,423.95 and 8,654.46 is: 12,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,949.70 : 52,423.95 = 8,654.46 : x
  2. Step 2: Convert to fraction form
    34,949.70/52,423.95 = 8,654.46/x
  3. Step 3: Cross multiply
    34,949.70x = 52,423.95 × 8,654.46
  4. Step 4: Simplify right side
    34,949.70x = 453,700,978.32
  5. Step 5: Solve for x
    x = 453,700,978.32/34,949.70
  6. Step 6: Final answer
    x = 12,981.54

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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.