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Finding the Fourth Proportional to 64,788.39, 97,190.76 and 25,340.37

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Solution

The fourth proportional to 64,788.39, 97,190.76 and 25,340.37 is: 38,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,788.39 : 97,190.76 = 25,340.37 : x
  2. Step 2: Convert to fraction form
    64,788.39/97,190.76 = 25,340.37/x
  3. Step 3: Cross multiply
    64,788.39x = 97,190.76 × 25,340.37
  4. Step 4: Simplify right side
    64,788.39x = 2,462,849,818.98
  5. Step 5: Solve for x
    x = 2,462,849,818.98/64,788.39
  6. Step 6: Final answer
    x = 38,013.75

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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.