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Finding the Fourth Proportional to 58,640.70, 87,961.02 and 14,267.46

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Solution

The fourth proportional to 58,640.70, 87,961.02 and 14,267.46 is: 21,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,640.70 : 87,961.02 = 14,267.46 : x
  2. Step 2: Convert to fraction form
    58,640.70/87,961.02 = 14,267.46/x
  3. Step 3: Cross multiply
    58,640.70x = 87,961.02 × 14,267.46
  4. Step 4: Simplify right side
    58,640.70x = 1,254,980,334.41
  5. Step 5: Solve for x
    x = 1,254,980,334.41/58,640.70
  6. Step 6: Final answer
    x = 21,401.18

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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.