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Finding the Fourth Proportional to 64,249.68, 96,381.72 and 17,502.96

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Solution

The fourth proportional to 64,249.68, 96,381.72 and 17,502.96 is: 26,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,249.68 : 96,381.72 = 17,502.96 : x
  2. Step 2: Convert to fraction form
    64,249.68/96,381.72 = 17,502.96/x
  3. Step 3: Cross multiply
    64,249.68x = 96,381.72 × 17,502.96
  4. Step 4: Simplify right side
    64,249.68x = 1,686,965,389.89
  5. Step 5: Solve for x
    x = 1,686,965,389.89/64,249.68
  6. Step 6: Final answer
    x = 26,256.40

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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.