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Finding the Fourth Proportional to 65,571.99, 90,497.03 and 37,281.93

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Solution

The fourth proportional to 65,571.99, 90,497.03 and 37,281.93 is: 51,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,571.99 : 90,497.03 = 37,281.93 : x
  2. Step 2: Convert to fraction form
    65,571.99/90,497.03 = 37,281.93/x
  3. Step 3: Cross multiply
    65,571.99x = 90,497.03 × 37,281.93
  4. Step 4: Simplify right side
    65,571.99x = 3,373,903,751.26
  5. Step 5: Solve for x
    x = 3,373,903,751.26/65,571.99
  6. Step 6: Final answer
    x = 51,453.43

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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.