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Finding the Fourth Proportional to 59,483.88, 82,102.68 and 40,395.96

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Solution

The fourth proportional to 59,483.88, 82,102.68 and 40,395.96 is: 55,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,483.88 : 82,102.68 = 40,395.96 : x
  2. Step 2: Convert to fraction form
    59,483.88/82,102.68 = 40,395.96/x
  3. Step 3: Cross multiply
    59,483.88x = 82,102.68 × 40,395.96
  4. Step 4: Simplify right side
    59,483.88x = 3,316,616,577.17
  5. Step 5: Solve for x
    x = 3,316,616,577.17/59,483.88
  6. Step 6: Final answer
    x = 55,756.56

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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.