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Finding the Fourth Proportional to 69,535.80, 104,303.70 and 16,945.74

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Solution

The fourth proportional to 69,535.80, 104,303.70 and 16,945.74 is: 25,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,535.80 : 104,303.70 = 16,945.74 : x
  2. Step 2: Convert to fraction form
    69,535.80/104,303.70 = 16,945.74/x
  3. Step 3: Cross multiply
    69,535.80x = 104,303.70 × 16,945.74
  4. Step 4: Simplify right side
    69,535.80x = 1,767,503,381.24
  5. Step 5: Solve for x
    x = 1,767,503,381.24/69,535.80
  6. Step 6: Final answer
    x = 25,418.61

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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.