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Finding the Fourth Proportional to 52,463.70, 72,313.44 and 37,130.49

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Solution

The fourth proportional to 52,463.70, 72,313.44 and 37,130.49 is: 51,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,463.70 : 72,313.44 = 37,130.49 : x
  2. Step 2: Convert to fraction form
    52,463.70/72,313.44 = 37,130.49/x
  3. Step 3: Cross multiply
    52,463.70x = 72,313.44 × 37,130.49
  4. Step 4: Simplify right side
    52,463.70x = 2,685,033,460.79
  5. Step 5: Solve for x
    x = 2,685,033,460.79/52,463.70
  6. Step 6: Final answer
    x = 51,178.88

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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.