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Finding the Fourth Proportional to 64,811.51, 97,237.31 and 27,388.29

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Solution

The fourth proportional to 64,811.51, 97,237.31 and 27,388.29 is: 41,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,811.51 : 97,237.31 = 27,388.29 : x
  2. Step 2: Convert to fraction form
    64,811.51/97,237.31 = 27,388.29/x
  3. Step 3: Cross multiply
    64,811.51x = 97,237.31 × 27,388.29
  4. Step 4: Simplify right side
    64,811.51x = 2,663,163,508.16
  5. Step 5: Solve for x
    x = 2,663,163,508.16/64,811.51
  6. Step 6: Final answer
    x = 41,090.91

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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.