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Finding the Fourth Proportional to 65,133.54, 89,882.73 and 36,453.60

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Solution

The fourth proportional to 65,133.54, 89,882.73 and 36,453.60 is: 50,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,133.54 : 89,882.73 = 36,453.60 : x
  2. Step 2: Convert to fraction form
    65,133.54/89,882.73 = 36,453.60/x
  3. Step 3: Cross multiply
    65,133.54x = 89,882.73 × 36,453.60
  4. Step 4: Simplify right side
    65,133.54x = 3,276,549,086.33
  5. Step 5: Solve for x
    x = 3,276,549,086.33/65,133.54
  6. Step 6: Final answer
    x = 50,305.10

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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.