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Finding the Fourth Proportional to 57,873.66, 86,818.80 and 17,895.76

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Solution

The fourth proportional to 57,873.66, 86,818.80 and 17,895.76 is: 26,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,873.66 : 86,818.80 = 17,895.76 : x
  2. Step 2: Convert to fraction form
    57,873.66/86,818.80 = 17,895.76/x
  3. Step 3: Cross multiply
    57,873.66x = 86,818.80 × 17,895.76
  4. Step 4: Simplify right side
    57,873.66x = 1,553,688,408.29
  5. Step 5: Solve for x
    x = 1,553,688,408.29/57,873.66
  6. Step 6: Final answer
    x = 26,846.21

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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.