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Finding the Fourth Proportional to 2,169.47, 3,254.20 and 526.01

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Solution

The fourth proportional to 2,169.47, 3,254.20 and 526.01 is: 789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.47 : 3,254.20 = 526.01 : x
  2. Step 2: Convert to fraction form
    2,169.47/3,254.20 = 526.01/x
  3. Step 3: Cross multiply
    2,169.47x = 3,254.20 × 526.01
  4. Step 4: Simplify right side
    2,169.47x = 1,711,745.42
  5. Step 5: Solve for x
    x = 1,711,745.42/2,169.47
  6. Step 6: Final answer
    x = 789.02

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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.