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Finding the Fourth Proportional to 53,464.62, 73,800.62 and 31,108.62

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Solution

The fourth proportional to 53,464.62, 73,800.62 and 31,108.62 is: 42,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,464.62 : 73,800.62 = 31,108.62 : x
  2. Step 2: Convert to fraction form
    53,464.62/73,800.62 = 31,108.62/x
  3. Step 3: Cross multiply
    53,464.62x = 73,800.62 × 31,108.62
  4. Step 4: Simplify right side
    53,464.62x = 2,295,835,443.34
  5. Step 5: Solve for x
    x = 2,295,835,443.34/53,464.62
  6. Step 6: Final answer
    x = 42,941.21

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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.