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Finding the Fourth Proportional to 58,302, 87,438.51 and 25,018.29

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Solution

The fourth proportional to 58,302, 87,438.51 and 25,018.29 is: 37,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,302 : 87,438.51 = 25,018.29 : x
  2. Step 2: Convert to fraction form
    58,302/87,438.51 = 25,018.29/x
  3. Step 3: Cross multiply
    58,302x = 87,438.51 × 25,018.29
  4. Step 4: Simplify right side
    58,302x = 2,187,562,000.35
  5. Step 5: Solve for x
    x = 2,187,562,000.35/58,302
  6. Step 6: Final answer
    x = 37,521.22

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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.