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Finding the Fourth Proportional to 58,788.72, 81,153.36 and 37,563.12

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Solution

The fourth proportional to 58,788.72, 81,153.36 and 37,563.12 is: 51,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,788.72 : 81,153.36 = 37,563.12 : x
  2. Step 2: Convert to fraction form
    58,788.72/81,153.36 = 37,563.12/x
  3. Step 3: Cross multiply
    58,788.72x = 81,153.36 × 37,563.12
  4. Step 4: Simplify right side
    58,788.72x = 3,048,373,400.08
  5. Step 5: Solve for x
    x = 3,048,373,400.08/58,788.72
  6. Step 6: Final answer
    x = 51,853.03

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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.