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Finding the Fourth Proportional to 56,822.66, 85,230.63 and 16,840.02

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Solution

The fourth proportional to 56,822.66, 85,230.63 and 16,840.02 is: 25,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,822.66 : 85,230.63 = 16,840.02 : x
  2. Step 2: Convert to fraction form
    56,822.66/85,230.63 = 16,840.02/x
  3. Step 3: Cross multiply
    56,822.66x = 85,230.63 × 16,840.02
  4. Step 4: Simplify right side
    56,822.66x = 1,435,285,513.81
  5. Step 5: Solve for x
    x = 1,435,285,513.81/56,822.66
  6. Step 6: Final answer
    x = 25,259.03

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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.