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Finding the Fourth Proportional to 64,776.44, 97,175.72 and 29,719.08

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Solution

The fourth proportional to 64,776.44, 97,175.72 and 29,719.08 is: 44,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,776.44 : 97,175.72 = 29,719.08 : x
  2. Step 2: Convert to fraction form
    64,776.44/97,175.72 = 29,719.08/x
  3. Step 3: Cross multiply
    64,776.44x = 97,175.72 × 29,719.08
  4. Step 4: Simplify right side
    64,776.44x = 2,887,972,996.74
  5. Step 5: Solve for x
    x = 2,887,972,996.74/64,776.44
  6. Step 6: Final answer
    x = 44,583.69

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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.