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Finding the Fourth Proportional to 15,262.60, 22,896.60 and 5,407.60

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Solution

The fourth proportional to 15,262.60, 22,896.60 and 5,407.60 is: 8,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.60 : 22,896.60 = 5,407.60 : x
  2. Step 2: Convert to fraction form
    15,262.60/22,896.60 = 5,407.60/x
  3. Step 3: Cross multiply
    15,262.60x = 22,896.60 × 5,407.60
  4. Step 4: Simplify right side
    15,262.60x = 123,815,654.16
  5. Step 5: Solve for x
    x = 123,815,654.16/15,262.60
  6. Step 6: Final answer
    x = 8,112.36

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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.