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Finding the Fourth Proportional to 58,240.89, 87,230.07 and 40,788.63

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Solution

The fourth proportional to 58,240.89, 87,230.07 and 40,788.63 is: 61,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,240.89 : 87,230.07 = 40,788.63 : x
  2. Step 2: Convert to fraction form
    58,240.89/87,230.07 = 40,788.63/x
  3. Step 3: Cross multiply
    58,240.89x = 87,230.07 × 40,788.63
  4. Step 4: Simplify right side
    58,240.89x = 3,557,995,050.10
  5. Step 5: Solve for x
    x = 3,557,995,050.10/58,240.89
  6. Step 6: Final answer
    x = 61,091.01

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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.