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Finding the Fourth Proportional to 56,260.70, 84,404.79 and 39,653.16

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Solution

The fourth proportional to 56,260.70, 84,404.79 and 39,653.16 is: 59,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,260.70 : 84,404.79 = 39,653.16 : x
  2. Step 2: Convert to fraction form
    56,260.70/84,404.79 = 39,653.16/x
  3. Step 3: Cross multiply
    56,260.70x = 84,404.79 × 39,653.16
  4. Step 4: Simplify right side
    56,260.70x = 3,346,916,444.37
  5. Step 5: Solve for x
    x = 3,346,916,444.37/56,260.70
  6. Step 6: Final answer
    x = 59,489.43

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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.