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Finding the Fourth Proportional to 64,468.41, 96,703.26 and 19,490.13

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Solution

The fourth proportional to 64,468.41, 96,703.26 and 19,490.13 is: 29,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,468.41 : 96,703.26 = 19,490.13 : x
  2. Step 2: Convert to fraction form
    64,468.41/96,703.26 = 19,490.13/x
  3. Step 3: Cross multiply
    64,468.41x = 96,703.26 × 19,490.13
  4. Step 4: Simplify right side
    64,468.41x = 1,884,759,108.82
  5. Step 5: Solve for x
    x = 1,884,759,108.82/64,468.41
  6. Step 6: Final answer
    x = 29,235.39

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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.