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Finding the Fourth Proportional to 58,247, 87,370.54 and 14,471

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Solution

The fourth proportional to 58,247, 87,370.54 and 14,471 is: 21,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,247 : 87,370.54 = 14,471 : x
  2. Step 2: Convert to fraction form
    58,247/87,370.54 = 14,471/x
  3. Step 3: Cross multiply
    58,247x = 87,370.54 × 14,471
  4. Step 4: Simplify right side
    58,247x = 1,264,339,084.34
  5. Step 5: Solve for x
    x = 1,264,339,084.34/58,247
  6. Step 6: Final answer
    x = 21,706.51

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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.