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Finding the Fourth Proportional to 56,054.92, 84,068.06 and 16,602.81

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Solution

The fourth proportional to 56,054.92, 84,068.06 and 16,602.81 is: 24,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.92 : 84,068.06 = 16,602.81 : x
  2. Step 2: Convert to fraction form
    56,054.92/84,068.06 = 16,602.81/x
  3. Step 3: Cross multiply
    56,054.92x = 84,068.06 × 16,602.81
  4. Step 4: Simplify right side
    56,054.92x = 1,395,766,027.25
  5. Step 5: Solve for x
    x = 1,395,766,027.25/56,054.92
  6. Step 6: Final answer
    x = 24,899.97

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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.