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Finding the Fourth Proportional to 34,858.71, 52,288.11 and 8,563.46

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Solution

The fourth proportional to 34,858.71, 52,288.11 and 8,563.46 is: 12,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.71 : 52,288.11 = 8,563.46 : x
  2. Step 2: Convert to fraction form
    34,858.71/52,288.11 = 8,563.46/x
  3. Step 3: Cross multiply
    34,858.71x = 52,288.11 × 8,563.46
  4. Step 4: Simplify right side
    34,858.71x = 447,766,877.02
  5. Step 5: Solve for x
    x = 447,766,877.02/34,858.71
  6. Step 6: Final answer
    x = 12,845.19

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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.