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Finding the Fourth Proportional to 58,129.28, 87,245.76 and 26,982.08

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Solution

The fourth proportional to 58,129.28, 87,245.76 and 26,982.08 is: 40,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,129.28 : 87,245.76 = 26,982.08 : x
  2. Step 2: Convert to fraction form
    58,129.28/87,245.76 = 26,982.08/x
  3. Step 3: Cross multiply
    58,129.28x = 87,245.76 × 26,982.08
  4. Step 4: Simplify right side
    58,129.28x = 2,354,072,075.98
  5. Step 5: Solve for x
    x = 2,354,072,075.98/58,129.28
  6. Step 6: Final answer
    x = 40,497.18

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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.