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Finding the Fourth Proportional to 65,798.10, 90,800.46 and 37,504.26

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Solution

The fourth proportional to 65,798.10, 90,800.46 and 37,504.26 is: 51,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798.10 : 90,800.46 = 37,504.26 : x
  2. Step 2: Convert to fraction form
    65,798.10/90,800.46 = 37,504.26/x
  3. Step 3: Cross multiply
    65,798.10x = 90,800.46 × 37,504.26
  4. Step 4: Simplify right side
    65,798.10x = 3,405,404,059.96
  5. Step 5: Solve for x
    x = 3,405,404,059.96/65,798.10
  6. Step 6: Final answer
    x = 51,755.36

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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.