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Finding the Fourth Proportional to 35,293.84, 48,703.09 and 19,379.32

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Solution

The fourth proportional to 35,293.84, 48,703.09 and 19,379.32 is: 26,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,293.84 : 48,703.09 = 19,379.32 : x
  2. Step 2: Convert to fraction form
    35,293.84/48,703.09 = 19,379.32/x
  3. Step 3: Cross multiply
    35,293.84x = 48,703.09 × 19,379.32
  4. Step 4: Simplify right side
    35,293.84x = 943,832,766.10
  5. Step 5: Solve for x
    x = 943,832,766.10/35,293.84
  6. Step 6: Final answer
    x = 26,742.14

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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.