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Finding the Fourth Proportional to 62,288.99, 85,960.81 and 35,430.81

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Solution

The fourth proportional to 62,288.99, 85,960.81 and 35,430.81 is: 48,895.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,288.99 : 85,960.81 = 35,430.81 : x
  2. Step 2: Convert to fraction form
    62,288.99/85,960.81 = 35,430.81/x
  3. Step 3: Cross multiply
    62,288.99x = 85,960.81 × 35,430.81
  4. Step 4: Simplify right side
    62,288.99x = 3,045,661,126.56
  5. Step 5: Solve for x
    x = 3,045,661,126.56/62,288.99
  6. Step 6: Final answer
    x = 48,895.66

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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.