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Finding the Fourth Proportional to 64,481.16, 96,690.63 and 27,031.19

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Solution

The fourth proportional to 64,481.16, 96,690.63 and 27,031.19 is: 40,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.16 : 96,690.63 = 27,031.19 : x
  2. Step 2: Convert to fraction form
    64,481.16/96,690.63 = 27,031.19/x
  3. Step 3: Cross multiply
    64,481.16x = 96,690.63 × 27,031.19
  4. Step 4: Simplify right side
    64,481.16x = 2,613,662,307.30
  5. Step 5: Solve for x
    x = 2,613,662,307.30/64,481.16
  6. Step 6: Final answer
    x = 40,533.74

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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.