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Finding the Fourth Proportional to 58,347.48, 87,539.58 and 20,882.01

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Solution

The fourth proportional to 58,347.48, 87,539.58 and 20,882.01 is: 31,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,347.48 : 87,539.58 = 20,882.01 : x
  2. Step 2: Convert to fraction form
    58,347.48/87,539.58 = 20,882.01/x
  3. Step 3: Cross multiply
    58,347.48x = 87,539.58 × 20,882.01
  4. Step 4: Simplify right side
    58,347.48x = 1,828,002,384.96
  5. Step 5: Solve for x
    x = 1,828,002,384.96/58,347.48
  6. Step 6: Final answer
    x = 31,329.59

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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.