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Finding the Fourth Proportional to 65,350.70, 98,018.26 and 17,970.60

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Solution

The fourth proportional to 65,350.70, 98,018.26 and 17,970.60 is: 26,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,350.70 : 98,018.26 = 17,970.60 : x
  2. Step 2: Convert to fraction form
    65,350.70/98,018.26 = 17,970.60/x
  3. Step 3: Cross multiply
    65,350.70x = 98,018.26 × 17,970.60
  4. Step 4: Simplify right side
    65,350.70x = 1,761,446,943.16
  5. Step 5: Solve for x
    x = 1,761,446,943.16/65,350.70
  6. Step 6: Final answer
    x = 26,953.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.