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Finding the Fourth Proportional to 2,087.01, 3,130.87 and 700.48

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Solution

The fourth proportional to 2,087.01, 3,130.87 and 700.48 is: 1,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.01 : 3,130.87 = 700.48 : x
  2. Step 2: Convert to fraction form
    2,087.01/3,130.87 = 700.48/x
  3. Step 3: Cross multiply
    2,087.01x = 3,130.87 × 700.48
  4. Step 4: Simplify right side
    2,087.01x = 2,193,102.24
  5. Step 5: Solve for x
    x = 2,193,102.24/2,087.01
  6. Step 6: Final answer
    x = 1,050.84

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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.