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Finding the Fourth Proportional to 56,538.84, 84,818.03 and 19,099.18

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Solution

The fourth proportional to 56,538.84, 84,818.03 and 19,099.18 is: 28,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,538.84 : 84,818.03 = 19,099.18 : x
  2. Step 2: Convert to fraction form
    56,538.84/84,818.03 = 19,099.18/x
  3. Step 3: Cross multiply
    56,538.84x = 84,818.03 × 19,099.18
  4. Step 4: Simplify right side
    56,538.84x = 1,619,954,822.22
  5. Step 5: Solve for x
    x = 1,619,954,822.22/56,538.84
  6. Step 6: Final answer
    x = 28,652.07

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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.