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Finding the Fourth Proportional to 57,898.95, 79,901.99 and 32,405.10

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Solution

The fourth proportional to 57,898.95, 79,901.99 and 32,405.10 is: 44,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898.95 : 79,901.99 = 32,405.10 : x
  2. Step 2: Convert to fraction form
    57,898.95/79,901.99 = 32,405.10/x
  3. Step 3: Cross multiply
    57,898.95x = 79,901.99 × 32,405.10
  4. Step 4: Simplify right side
    57,898.95x = 2,589,231,814.12
  5. Step 5: Solve for x
    x = 2,589,231,814.12/57,898.95
  6. Step 6: Final answer
    x = 44,719.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.