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Finding the Fourth Proportional to 56,263.54, 84,363.72 and 18,803.88

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Solution

The fourth proportional to 56,263.54, 84,363.72 and 18,803.88 is: 28,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.54 : 84,363.72 = 18,803.88 : x
  2. Step 2: Convert to fraction form
    56,263.54/84,363.72 = 18,803.88/x
  3. Step 3: Cross multiply
    56,263.54x = 84,363.72 × 18,803.88
  4. Step 4: Simplify right side
    56,263.54x = 1,586,365,267.23
  5. Step 5: Solve for x
    x = 1,586,365,267.23/56,263.54
  6. Step 6: Final answer
    x = 28,195.26

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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.