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Finding the Fourth Proportional to 34,624.38, 51,940.74 and 13,564.74

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Solution

The fourth proportional to 34,624.38, 51,940.74 and 13,564.74 is: 20,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.38 : 51,940.74 = 13,564.74 : x
  2. Step 2: Convert to fraction form
    34,624.38/51,940.74 = 13,564.74/x
  3. Step 3: Cross multiply
    34,624.38x = 51,940.74 × 13,564.74
  4. Step 4: Simplify right side
    34,624.38x = 704,562,633.51
  5. Step 5: Solve for x
    x = 704,562,633.51/34,624.38
  6. Step 6: Final answer
    x = 20,348.74

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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.