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Finding the Fourth Proportional to 38,762.78, 58,180.48 and 19,055.48

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Solution

The fourth proportional to 38,762.78, 58,180.48 and 19,055.48 is: 28,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762.78 : 58,180.48 = 19,055.48 : x
  2. Step 2: Convert to fraction form
    38,762.78/58,180.48 = 19,055.48/x
  3. Step 3: Cross multiply
    38,762.78x = 58,180.48 × 19,055.48
  4. Step 4: Simplify right side
    38,762.78x = 1,108,656,973.03
  5. Step 5: Solve for x
    x = 1,108,656,973.03/38,762.78
  6. Step 6: Final answer
    x = 28,601.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.