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Finding the Fourth Proportional to 65,411.13, 98,131.31 and 23,858.13

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Solution

The fourth proportional to 65,411.13, 98,131.31 and 23,858.13 is: 35,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.13 : 98,131.31 = 23,858.13 : x
  2. Step 2: Convert to fraction form
    65,411.13/98,131.31 = 23,858.13/x
  3. Step 3: Cross multiply
    65,411.13x = 98,131.31 × 23,858.13
  4. Step 4: Simplify right side
    65,411.13x = 2,341,229,551.05
  5. Step 5: Solve for x
    x = 2,341,229,551.05/65,411.13
  6. Step 6: Final answer
    x = 35,792.53

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1.5x scale

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.