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Finding the Fourth Proportional to 2,588.58, 3,882.87 and 1,048.50

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Solution

The fourth proportional to 2,588.58, 3,882.87 and 1,048.50 is: 1,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.58 : 3,882.87 = 1,048.50 : x
  2. Step 2: Convert to fraction form
    2,588.58/3,882.87 = 1,048.50/x
  3. Step 3: Cross multiply
    2,588.58x = 3,882.87 × 1,048.50
  4. Step 4: Simplify right side
    2,588.58x = 4,071,189.20
  5. Step 5: Solve for x
    x = 4,071,189.20/2,588.58
  6. Step 6: Final answer
    x = 1,572.75

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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.