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Finding the Fourth Proportional to 25,224.48, 37,836.60 and 7,694.40

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Solution

The fourth proportional to 25,224.48, 37,836.60 and 7,694.40 is: 11,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,224.48 : 37,836.60 = 7,694.40 : x
  2. Step 2: Convert to fraction form
    25,224.48/37,836.60 = 7,694.40/x
  3. Step 3: Cross multiply
    25,224.48x = 37,836.60 × 7,694.40
  4. Step 4: Simplify right side
    25,224.48x = 291,129,935.04
  5. Step 5: Solve for x
    x = 291,129,935.04/25,224.48
  6. Step 6: Final answer
    x = 11,541.56

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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.