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Finding the Fourth Proportional to 35,293.65, 48,705.35 and 19,379.15

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Solution

The fourth proportional to 35,293.65, 48,705.35 and 19,379.15 is: 26,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,293.65 : 48,705.35 = 19,379.15 : x
  2. Step 2: Convert to fraction form
    35,293.65/48,705.35 = 19,379.15/x
  3. Step 3: Cross multiply
    35,293.65x = 48,705.35 × 19,379.15
  4. Step 4: Simplify right side
    35,293.65x = 943,868,039.93
  5. Step 5: Solve for x
    x = 943,868,039.93/35,293.65
  6. Step 6: Final answer
    x = 26,743.28

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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.