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Finding the Fourth Proportional to 57,495.17, 86,246.40 and 18,053.84

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Solution

The fourth proportional to 57,495.17, 86,246.40 and 18,053.84 is: 27,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.17 : 86,246.40 = 18,053.84 : x
  2. Step 2: Convert to fraction form
    57,495.17/86,246.40 = 18,053.84/x
  3. Step 3: Cross multiply
    57,495.17x = 86,246.40 × 18,053.84
  4. Step 4: Simplify right side
    57,495.17x = 1,557,078,402.81
  5. Step 5: Solve for x
    x = 1,557,078,402.81/57,495.17
  6. Step 6: Final answer
    x = 27,081.90

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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.