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Finding the Fourth Proportional to 56,374.63, 84,558.98 and 18,935.46

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Solution

The fourth proportional to 56,374.63, 84,558.98 and 18,935.46 is: 28,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,374.63 : 84,558.98 = 18,935.46 : x
  2. Step 2: Convert to fraction form
    56,374.63/84,558.98 = 18,935.46/x
  3. Step 3: Cross multiply
    56,374.63x = 84,558.98 × 18,935.46
  4. Step 4: Simplify right side
    56,374.63x = 1,601,163,230.77
  5. Step 5: Solve for x
    x = 1,601,163,230.77/56,374.63
  6. Step 6: Final answer
    x = 28,402.20

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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.