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Finding the Fourth Proportional to 39,159.03, 58,738.28 and 9,577.29

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Solution

The fourth proportional to 39,159.03, 58,738.28 and 9,577.29 is: 14,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.03 : 58,738.28 = 9,577.29 : x
  2. Step 2: Convert to fraction form
    39,159.03/58,738.28 = 9,577.29/x
  3. Step 3: Cross multiply
    39,159.03x = 58,738.28 × 9,577.29
  4. Step 4: Simplify right side
    39,159.03x = 562,553,493.77
  5. Step 5: Solve for x
    x = 562,553,493.77/39,159.03
  6. Step 6: Final answer
    x = 14,365.87

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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.