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Finding the Fourth Proportional to 5,262.92, 7,262.88 and 2,905.01

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Solution

The fourth proportional to 5,262.92, 7,262.88 and 2,905.01 is: 4,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.92 : 7,262.88 = 2,905.01 : x
  2. Step 2: Convert to fraction form
    5,262.92/7,262.88 = 2,905.01/x
  3. Step 3: Cross multiply
    5,262.92x = 7,262.88 × 2,905.01
  4. Step 4: Simplify right side
    5,262.92x = 21,098,739.03
  5. Step 5: Solve for x
    x = 21,098,739.03/5,262.92
  6. Step 6: Final answer
    x = 4,008.94

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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.