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Finding the Fourth Proportional to 5,007.53, 6,911.03 and 2,911.25

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Solution

The fourth proportional to 5,007.53, 6,911.03 and 2,911.25 is: 4,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.53 : 6,911.03 = 2,911.25 : x
  2. Step 2: Convert to fraction form
    5,007.53/6,911.03 = 2,911.25/x
  3. Step 3: Cross multiply
    5,007.53x = 6,911.03 × 2,911.25
  4. Step 4: Simplify right side
    5,007.53x = 20,119,736.09
  5. Step 5: Solve for x
    x = 20,119,736.09/5,007.53
  6. Step 6: Final answer
    x = 4,017.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.