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Finding the Fourth Proportional to 35,289.65, 48,698.24 and 19,374.47

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Solution

The fourth proportional to 35,289.65, 48,698.24 and 19,374.47 is: 26,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.65 : 48,698.24 = 19,374.47 : x
  2. Step 2: Convert to fraction form
    35,289.65/48,698.24 = 19,374.47/x
  3. Step 3: Cross multiply
    35,289.65x = 48,698.24 × 19,374.47
  4. Step 4: Simplify right side
    35,289.65x = 943,502,346.44
  5. Step 5: Solve for x
    x = 943,502,346.44/35,289.65
  6. Step 6: Final answer
    x = 26,735.95

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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.