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Finding the Fourth Proportional to 56,473.49, 84,842.62 and 53,281.85

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Solution

The fourth proportional to 56,473.49, 84,842.62 and 53,281.85 is: 80,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.49 : 84,842.62 = 53,281.85 : x
  2. Step 2: Convert to fraction form
    56,473.49/84,842.62 = 53,281.85/x
  3. Step 3: Cross multiply
    56,473.49x = 84,842.62 × 53,281.85
  4. Step 4: Simplify right side
    56,473.49x = 4,520,571,195.03
  5. Step 5: Solve for x
    x = 4,520,571,195.03/56,473.49
  6. Step 6: Final answer
    x = 80,047.66

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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.