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Finding the Fourth Proportional to 7,292.75, 10,938.60 and 2,849.59

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Solution

The fourth proportional to 7,292.75, 10,938.60 and 2,849.59 is: 4,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.75 : 10,938.60 = 2,849.59 : x
  2. Step 2: Convert to fraction form
    7,292.75/10,938.60 = 2,849.59/x
  3. Step 3: Cross multiply
    7,292.75x = 10,938.60 × 2,849.59
  4. Step 4: Simplify right side
    7,292.75x = 31,170,477.32
  5. Step 5: Solve for x
    x = 31,170,477.32/7,292.75
  6. Step 6: Final answer
    x = 4,274.17

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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.