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Finding the Fourth Proportional to 65,090.01, 89,832.53 and 36,411.26

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Solution

The fourth proportional to 65,090.01, 89,832.53 and 36,411.26 is: 50,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,090.01 : 89,832.53 = 36,411.26 : x
  2. Step 2: Convert to fraction form
    65,090.01/89,832.53 = 36,411.26/x
  3. Step 3: Cross multiply
    65,090.01x = 89,832.53 × 36,411.26
  4. Step 4: Simplify right side
    65,090.01x = 3,270,915,648.81
  5. Step 5: Solve for x
    x = 3,270,915,648.81/65,090.01
  6. Step 6: Final answer
    x = 50,252.19

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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.