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Finding the Fourth Proportional to 51,858.64, 77,671.26 and 36,345.52

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Solution

The fourth proportional to 51,858.64, 77,671.26 and 36,345.52 is: 54,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,858.64 : 77,671.26 = 36,345.52 : x
  2. Step 2: Convert to fraction form
    51,858.64/77,671.26 = 36,345.52/x
  3. Step 3: Cross multiply
    51,858.64x = 77,671.26 × 36,345.52
  4. Step 4: Simplify right side
    51,858.64x = 2,823,002,333.76
  5. Step 5: Solve for x
    x = 2,823,002,333.76/51,858.64
  6. Step 6: Final answer
    x = 54,436.49

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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.