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Finding the Fourth Proportional to 34,816.71, 52,223.43 and 8,520.06

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Solution

The fourth proportional to 34,816.71, 52,223.43 and 8,520.06 is: 12,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,816.71 : 52,223.43 = 8,520.06 : x
  2. Step 2: Convert to fraction form
    34,816.71/52,223.43 = 8,520.06/x
  3. Step 3: Cross multiply
    34,816.71x = 52,223.43 × 8,520.06
  4. Step 4: Simplify right side
    34,816.71x = 444,946,757.01
  5. Step 5: Solve for x
    x = 444,946,757.01/34,816.71
  6. Step 6: Final answer
    x = 12,779.69

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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.