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Finding the Fourth Proportional to 2,905.56, 4,000.64 and 2,532.56

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Solution

The fourth proportional to 2,905.56, 4,000.64 and 2,532.56 is: 3,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.56 : 4,000.64 = 2,532.56 : x
  2. Step 2: Convert to fraction form
    2,905.56/4,000.64 = 2,532.56/x
  3. Step 3: Cross multiply
    2,905.56x = 4,000.64 × 2,532.56
  4. Step 4: Simplify right side
    2,905.56x = 10,131,828.17
  5. Step 5: Solve for x
    x = 10,131,828.17/2,905.56
  6. Step 6: Final answer
    x = 3,487.05

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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.