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Finding the Fourth Proportional to 3,575.01, 5,364.03 and 1,929.64

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Solution

The fourth proportional to 3,575.01, 5,364.03 and 1,929.64 is: 2,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.01 : 5,364.03 = 1,929.64 : x
  2. Step 2: Convert to fraction form
    3,575.01/5,364.03 = 1,929.64/x
  3. Step 3: Cross multiply
    3,575.01x = 5,364.03 × 1,929.64
  4. Step 4: Simplify right side
    3,575.01x = 10,350,646.85
  5. Step 5: Solve for x
    x = 10,350,646.85/3,575.01
  6. Step 6: Final answer
    x = 2,895.28

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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.