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Finding the Fourth Proportional to 34,861.88, 52,295.52 and 20,916.92

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Solution

The fourth proportional to 34,861.88, 52,295.52 and 20,916.92 is: 31,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861.88 : 52,295.52 = 20,916.92 : x
  2. Step 2: Convert to fraction form
    34,861.88/52,295.52 = 20,916.92/x
  3. Step 3: Cross multiply
    34,861.88x = 52,295.52 × 20,916.92
  4. Step 4: Simplify right side
    34,861.88x = 1,093,861,208.20
  5. Step 5: Solve for x
    x = 1,093,861,208.20/34,861.88
  6. Step 6: Final answer
    x = 31,377.00

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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.