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Finding the Fourth Proportional to 27,652.70, 41,429.55 and 16,813.70

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Solution

The fourth proportional to 27,652.70, 41,429.55 and 16,813.70 is: 25,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.70 : 41,429.55 = 16,813.70 : x
  2. Step 2: Convert to fraction form
    27,652.70/41,429.55 = 16,813.70/x
  3. Step 3: Cross multiply
    27,652.70x = 41,429.55 × 16,813.70
  4. Step 4: Simplify right side
    27,652.70x = 696,584,024.84
  5. Step 5: Solve for x
    x = 696,584,024.84/27,652.70
  6. Step 6: Final answer
    x = 25,190.45

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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.