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Finding the Fourth Proportional to 35,271.65, 48,673.31 and 19,355.78

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Solution

The fourth proportional to 35,271.65, 48,673.31 and 19,355.78 is: 26,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,271.65 : 48,673.31 = 19,355.78 : x
  2. Step 2: Convert to fraction form
    35,271.65/48,673.31 = 19,355.78/x
  3. Step 3: Cross multiply
    35,271.65x = 48,673.31 × 19,355.78
  4. Step 4: Simplify right side
    35,271.65x = 942,109,540.09
  5. Step 5: Solve for x
    x = 942,109,540.09/35,271.65
  6. Step 6: Final answer
    x = 26,710.11

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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.