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Finding the Fourth Proportional to 39,048, 58,602.08 and 20,332.76

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Solution

The fourth proportional to 39,048, 58,602.08 and 20,332.76 is: 30,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,048 : 58,602.08 = 20,332.76 : x
  2. Step 2: Convert to fraction form
    39,048/58,602.08 = 20,332.76/x
  3. Step 3: Cross multiply
    39,048x = 58,602.08 × 20,332.76
  4. Step 4: Simplify right side
    39,048x = 1,191,542,028.14
  5. Step 5: Solve for x
    x = 1,191,542,028.14/39,048
  6. Step 6: Final answer
    x = 30,514.80

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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.