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Finding the Fourth Proportional to 15,342.57, 22,995.01 and 7,942.81

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Solution

The fourth proportional to 15,342.57, 22,995.01 and 7,942.81 is: 11,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.57 : 22,995.01 = 7,942.81 : x
  2. Step 2: Convert to fraction form
    15,342.57/22,995.01 = 7,942.81/x
  3. Step 3: Cross multiply
    15,342.57x = 22,995.01 × 7,942.81
  4. Step 4: Simplify right side
    15,342.57x = 182,644,995.38
  5. Step 5: Solve for x
    x = 182,644,995.38/15,342.57
  6. Step 6: Final answer
    x = 11,904.46

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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.