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Finding the Fourth Proportional to 7,294.84, 10,945.83 and 4,520.77

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Solution

The fourth proportional to 7,294.84, 10,945.83 and 4,520.77 is: 6,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.84 : 10,945.83 = 4,520.77 : x
  2. Step 2: Convert to fraction form
    7,294.84/10,945.83 = 4,520.77/x
  3. Step 3: Cross multiply
    7,294.84x = 10,945.83 × 4,520.77
  4. Step 4: Simplify right side
    7,294.84x = 49,483,579.89
  5. Step 5: Solve for x
    x = 49,483,579.89/7,294.84
  6. Step 6: Final answer
    x = 6,783.37

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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.