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Finding the Fourth Proportional to 34,616.80, 51,922.74 and 19,779.22

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Solution

The fourth proportional to 34,616.80, 51,922.74 and 19,779.22 is: 29,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,616.80 : 51,922.74 = 19,779.22 : x
  2. Step 2: Convert to fraction form
    34,616.80/51,922.74 = 19,779.22/x
  3. Step 3: Cross multiply
    34,616.80x = 51,922.74 × 19,779.22
  4. Step 4: Simplify right side
    34,616.80x = 1,026,991,297.46
  5. Step 5: Solve for x
    x = 1,026,991,297.46/34,616.80
  6. Step 6: Final answer
    x = 29,667.42

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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.