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Finding the Fourth Proportional to 26,780, 36,941.01 and 16,703.60

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Solution

The fourth proportional to 26,780, 36,941.01 and 16,703.60 is: 23,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780 : 36,941.01 = 16,703.60 : x
  2. Step 2: Convert to fraction form
    26,780/36,941.01 = 16,703.60/x
  3. Step 3: Cross multiply
    26,780x = 36,941.01 × 16,703.60
  4. Step 4: Simplify right side
    26,780x = 617,047,854.64
  5. Step 5: Solve for x
    x = 617,047,854.64/26,780
  6. Step 6: Final answer
    x = 23,041.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.