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Finding the Fourth Proportional to 4,895.30, 6,755 and 2,905.94

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Solution

The fourth proportional to 4,895.30, 6,755 and 2,905.94 is: 4,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.30 : 6,755 = 2,905.94 : x
  2. Step 2: Convert to fraction form
    4,895.30/6,755 = 2,905.94/x
  3. Step 3: Cross multiply
    4,895.30x = 6,755 × 2,905.94
  4. Step 4: Simplify right side
    4,895.30x = 19,629,624.70
  5. Step 5: Solve for x
    x = 19,629,624.70/4,895.30
  6. Step 6: Final answer
    x = 4,009.89

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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.