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Finding the Fourth Proportional to 57,193.66, 85,790.22 and 14,499.10

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Solution

The fourth proportional to 57,193.66, 85,790.22 and 14,499.10 is: 21,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.66 : 85,790.22 = 14,499.10 : x
  2. Step 2: Convert to fraction form
    57,193.66/85,790.22 = 14,499.10/x
  3. Step 3: Cross multiply
    57,193.66x = 85,790.22 × 14,499.10
  4. Step 4: Simplify right side
    57,193.66x = 1,243,880,978.80
  5. Step 5: Solve for x
    x = 1,243,880,978.80/57,193.66
  6. Step 6: Final answer
    x = 21,748.58

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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.