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Finding the Fourth Proportional to 58,500.76, 87,578.91 and 36,242.57

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Solution

The fourth proportional to 58,500.76, 87,578.91 and 36,242.57 is: 54,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,500.76 : 87,578.91 = 36,242.57 : x
  2. Step 2: Convert to fraction form
    58,500.76/87,578.91 = 36,242.57/x
  3. Step 3: Cross multiply
    58,500.76x = 87,578.91 × 36,242.57
  4. Step 4: Simplify right side
    58,500.76x = 3,174,084,502.51
  5. Step 5: Solve for x
    x = 3,174,084,502.51/58,500.76
  6. Step 6: Final answer
    x = 54,257.15

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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.