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Finding the Fourth Proportional to 64,573.44, 96,884.64 and 31,291.08

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Solution

The fourth proportional to 64,573.44, 96,884.64 and 31,291.08 is: 46,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,573.44 : 96,884.64 = 31,291.08 : x
  2. Step 2: Convert to fraction form
    64,573.44/96,884.64 = 31,291.08/x
  3. Step 3: Cross multiply
    64,573.44x = 96,884.64 × 31,291.08
  4. Step 4: Simplify right side
    64,573.44x = 3,031,625,021.01
  5. Step 5: Solve for x
    x = 3,031,625,021.01/64,573.44
  6. Step 6: Final answer
    x = 46,948.48

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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.