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Finding the Fourth Proportional to 35,290.58, 48,698.10 and 19,374.48

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Solution

The fourth proportional to 35,290.58, 48,698.10 and 19,374.48 is: 26,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.58 : 48,698.10 = 19,374.48 : x
  2. Step 2: Convert to fraction form
    35,290.58/48,698.10 = 19,374.48/x
  3. Step 3: Cross multiply
    35,290.58x = 48,698.10 × 19,374.48
  4. Step 4: Simplify right side
    35,290.58x = 943,500,364.49
  5. Step 5: Solve for x
    x = 943,500,364.49/35,290.58
  6. Step 6: Final answer
    x = 26,735.19

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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.