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Finding the Fourth Proportional to 56,533.94, 84,741.87 and 19,081.10

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Solution

The fourth proportional to 56,533.94, 84,741.87 and 19,081.10 is: 28,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,533.94 : 84,741.87 = 19,081.10 : x
  2. Step 2: Convert to fraction form
    56,533.94/84,741.87 = 19,081.10/x
  3. Step 3: Cross multiply
    56,533.94x = 84,741.87 × 19,081.10
  4. Step 4: Simplify right side
    56,533.94x = 1,616,967,671.95
  5. Step 5: Solve for x
    x = 1,616,967,671.95/56,533.94
  6. Step 6: Final answer
    x = 28,601.72

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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.