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Finding the Fourth Proportional to 64,930.66, 97,410.35 and 19,952.27

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Solution

The fourth proportional to 64,930.66, 97,410.35 and 19,952.27 is: 29,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.66 : 97,410.35 = 19,952.27 : x
  2. Step 2: Convert to fraction form
    64,930.66/97,410.35 = 19,952.27/x
  3. Step 3: Cross multiply
    64,930.66x = 97,410.35 × 19,952.27
  4. Step 4: Simplify right side
    64,930.66x = 1,943,557,967.81
  5. Step 5: Solve for x
    x = 1,943,557,967.81/64,930.66
  6. Step 6: Final answer
    x = 29,932.82

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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.