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Finding the Fourth Proportional to 52,903.99, 73,007.47 and 30,243.48

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Solution

The fourth proportional to 52,903.99, 73,007.47 and 30,243.48 is: 41,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.99 : 73,007.47 = 30,243.48 : x
  2. Step 2: Convert to fraction form
    52,903.99/73,007.47 = 30,243.48/x
  3. Step 3: Cross multiply
    52,903.99x = 73,007.47 × 30,243.48
  4. Step 4: Simplify right side
    52,903.99x = 2,208,000,270.38
  5. Step 5: Solve for x
    x = 2,208,000,270.38/52,903.99
  6. Step 6: Final answer
    x = 41,735.99

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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.