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Finding the Fourth Proportional to 45,580.40, 68,372.40 and 17,514.08

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Solution

The fourth proportional to 45,580.40, 68,372.40 and 17,514.08 is: 26,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,580.40 : 68,372.40 = 17,514.08 : x
  2. Step 2: Convert to fraction form
    45,580.40/68,372.40 = 17,514.08/x
  3. Step 3: Cross multiply
    45,580.40x = 68,372.40 × 17,514.08
  4. Step 4: Simplify right side
    45,580.40x = 1,197,479,683.39
  5. Step 5: Solve for x
    x = 1,197,479,683.39/45,580.40
  6. Step 6: Final answer
    x = 26,271.81

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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.