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Finding the Fourth Proportional to 64,673.74, 97,010.55 and 17,926.54

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Solution

The fourth proportional to 64,673.74, 97,010.55 and 17,926.54 is: 26,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673.74 : 97,010.55 = 17,926.54 : x
  2. Step 2: Convert to fraction form
    64,673.74/97,010.55 = 17,926.54/x
  3. Step 3: Cross multiply
    64,673.74x = 97,010.55 × 17,926.54
  4. Step 4: Simplify right side
    64,673.74x = 1,739,063,505.00
  5. Step 5: Solve for x
    x = 1,739,063,505.00/64,673.74
  6. Step 6: Final answer
    x = 26,889.79

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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.