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Finding the Fourth Proportional to 56,507.40, 84,764.34 and 17,068.50

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Solution

The fourth proportional to 56,507.40, 84,764.34 and 17,068.50 is: 25,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.40 : 84,764.34 = 17,068.50 : x
  2. Step 2: Convert to fraction form
    56,507.40/84,764.34 = 17,068.50/x
  3. Step 3: Cross multiply
    56,507.40x = 84,764.34 × 17,068.50
  4. Step 4: Simplify right side
    56,507.40x = 1,446,800,137.29
  5. Step 5: Solve for x
    x = 1,446,800,137.29/56,507.40
  6. Step 6: Final answer
    x = 25,603.73

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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.