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Finding the Fourth Proportional to 65,004.35, 89,704.86 and 36,324.47

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Solution

The fourth proportional to 65,004.35, 89,704.86 and 36,324.47 is: 50,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,004.35 : 89,704.86 = 36,324.47 : x
  2. Step 2: Convert to fraction form
    65,004.35/89,704.86 = 36,324.47/x
  3. Step 3: Cross multiply
    65,004.35x = 89,704.86 × 36,324.47
  4. Step 4: Simplify right side
    65,004.35x = 3,258,481,047.40
  5. Step 5: Solve for x
    x = 3,258,481,047.40/65,004.35
  6. Step 6: Final answer
    x = 50,127.13

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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.