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Finding the Fourth Proportional to 69,266.83, 103,900.30 and 16,676.32

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Solution

The fourth proportional to 69,266.83, 103,900.30 and 16,676.32 is: 25,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,266.83 : 103,900.30 = 16,676.32 : x
  2. Step 2: Convert to fraction form
    69,266.83/103,900.30 = 16,676.32/x
  3. Step 3: Cross multiply
    69,266.83x = 103,900.30 × 16,676.32
  4. Step 4: Simplify right side
    69,266.83x = 1,732,674,650.90
  5. Step 5: Solve for x
    x = 1,732,674,650.90/69,266.83
  6. Step 6: Final answer
    x = 25,014.49

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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.