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Finding the Fourth Proportional to 5,047.36, 7,572.05 and 1,759.57

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Solution

The fourth proportional to 5,047.36, 7,572.05 and 1,759.57 is: 2,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.36 : 7,572.05 = 1,759.57 : x
  2. Step 2: Convert to fraction form
    5,047.36/7,572.05 = 1,759.57/x
  3. Step 3: Cross multiply
    5,047.36x = 7,572.05 × 1,759.57
  4. Step 4: Simplify right side
    5,047.36x = 13,323,552.02
  5. Step 5: Solve for x
    x = 13,323,552.02/5,047.36
  6. Step 6: Final answer
    x = 2,639.71

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1.5x scale

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.