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Finding the Fourth Proportional to 58,513.16, 80,747.36 and 32,672.11

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Solution

The fourth proportional to 58,513.16, 80,747.36 and 32,672.11 is: 45,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,513.16 : 80,747.36 = 32,672.11 : x
  2. Step 2: Convert to fraction form
    58,513.16/80,747.36 = 32,672.11/x
  3. Step 3: Cross multiply
    58,513.16x = 80,747.36 × 32,672.11
  4. Step 4: Simplify right side
    58,513.16x = 2,638,186,720.60
  5. Step 5: Solve for x
    x = 2,638,186,720.60/58,513.16
  6. Step 6: Final answer
    x = 45,087.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.