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Finding the Fourth Proportional to 5,441.50, 7,509.33 and 2,957.50

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Solution

The fourth proportional to 5,441.50, 7,509.33 and 2,957.50 is: 4,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.50 : 7,509.33 = 2,957.50 : x
  2. Step 2: Convert to fraction form
    5,441.50/7,509.33 = 2,957.50/x
  3. Step 3: Cross multiply
    5,441.50x = 7,509.33 × 2,957.50
  4. Step 4: Simplify right side
    5,441.50x = 22,208,843.48
  5. Step 5: Solve for x
    x = 22,208,843.48/5,441.50
  6. Step 6: Final answer
    x = 4,081.38

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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.