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Finding the Fourth Proportional to 2,007.59, 3,011.53 and 546.75

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Solution

The fourth proportional to 2,007.59, 3,011.53 and 546.75 is: 820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.59 : 3,011.53 = 546.75 : x
  2. Step 2: Convert to fraction form
    2,007.59/3,011.53 = 546.75/x
  3. Step 3: Cross multiply
    2,007.59x = 3,011.53 × 546.75
  4. Step 4: Simplify right side
    2,007.59x = 1,646,554.03
  5. Step 5: Solve for x
    x = 1,646,554.03/2,007.59
  6. Step 6: Final answer
    x = 820.16

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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.