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Finding the Fourth Proportional to 64,483.29, 96,725.64 and 19,505.10

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Solution

The fourth proportional to 64,483.29, 96,725.64 and 19,505.10 is: 29,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,483.29 : 96,725.64 = 19,505.10 : x
  2. Step 2: Convert to fraction form
    64,483.29/96,725.64 = 19,505.10/x
  3. Step 3: Cross multiply
    64,483.29x = 96,725.64 × 19,505.10
  4. Step 4: Simplify right side
    64,483.29x = 1,886,643,716.63
  5. Step 5: Solve for x
    x = 1,886,643,716.63/64,483.29
  6. Step 6: Final answer
    x = 29,257.87

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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.