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Finding the Fourth Proportional to 65,750.45, 90,735.40 and 37,460.93

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Solution

The fourth proportional to 65,750.45, 90,735.40 and 37,460.93 is: 51,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.45 : 90,735.40 = 37,460.93 : x
  2. Step 2: Convert to fraction form
    65,750.45/90,735.40 = 37,460.93/x
  3. Step 3: Cross multiply
    65,750.45x = 90,735.40 × 37,460.93
  4. Step 4: Simplify right side
    65,750.45x = 3,399,032,467.92
  5. Step 5: Solve for x
    x = 3,399,032,467.92/65,750.45
  6. Step 6: Final answer
    x = 51,695.96

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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.