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Finding the Fourth Proportional to 56,559.44, 84,828.72 and 21,490.64

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Solution

The fourth proportional to 56,559.44, 84,828.72 and 21,490.64 is: 32,231.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,559.44 : 84,828.72 = 21,490.64 : x
  2. Step 2: Convert to fraction form
    56,559.44/84,828.72 = 21,490.64/x
  3. Step 3: Cross multiply
    56,559.44x = 84,828.72 × 21,490.64
  4. Step 4: Simplify right side
    56,559.44x = 1,823,023,483.18
  5. Step 5: Solve for x
    x = 1,823,023,483.18/56,559.44
  6. Step 6: Final answer
    x = 32,231.99

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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.