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Finding the Fourth Proportional to 58,553.32, 87,830.20 and 14,180

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Solution

The fourth proportional to 58,553.32, 87,830.20 and 14,180 is: 21,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,553.32 : 87,830.20 = 14,180 : x
  2. Step 2: Convert to fraction form
    58,553.32/87,830.20 = 14,180/x
  3. Step 3: Cross multiply
    58,553.32x = 87,830.20 × 14,180
  4. Step 4: Simplify right side
    58,553.32x = 1,245,432,236
  5. Step 5: Solve for x
    x = 1,245,432,236/58,553.32
  6. Step 6: Final answer
    x = 21,270.05

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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.