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Finding the Fourth Proportional to 34,746.80, 52,081.80 and 19,175.60

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Solution

The fourth proportional to 34,746.80, 52,081.80 and 19,175.60 is: 28,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.80 : 52,081.80 = 19,175.60 : x
  2. Step 2: Convert to fraction form
    34,746.80/52,081.80 = 19,175.60/x
  3. Step 3: Cross multiply
    34,746.80x = 52,081.80 × 19,175.60
  4. Step 4: Simplify right side
    34,746.80x = 998,699,764.08
  5. Step 5: Solve for x
    x = 998,699,764.08/34,746.80
  6. Step 6: Final answer
    x = 28,742.21

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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.