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Finding the Fourth Proportional to 34,169.40, 51,259.70 and 10,790.20

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Solution

The fourth proportional to 34,169.40, 51,259.70 and 10,790.20 is: 16,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,169.40 : 51,259.70 = 10,790.20 : x
  2. Step 2: Convert to fraction form
    34,169.40/51,259.70 = 10,790.20/x
  3. Step 3: Cross multiply
    34,169.40x = 51,259.70 × 10,790.20
  4. Step 4: Simplify right side
    34,169.40x = 553,102,414.94
  5. Step 5: Solve for x
    x = 553,102,414.94/34,169.40
  6. Step 6: Final answer
    x = 16,187.07

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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.