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Finding the Fourth Proportional to 57,623.35, 86,435.03 and 45,959.35

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Solution

The fourth proportional to 57,623.35, 86,435.03 and 45,959.35 is: 68,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,623.35 : 86,435.03 = 45,959.35 : x
  2. Step 2: Convert to fraction form
    57,623.35/86,435.03 = 45,959.35/x
  3. Step 3: Cross multiply
    57,623.35x = 86,435.03 × 45,959.35
  4. Step 4: Simplify right side
    57,623.35x = 3,972,497,566.23
  5. Step 5: Solve for x
    x = 3,972,497,566.23/57,623.35
  6. Step 6: Final answer
    x = 68,939.03

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Similar ratio
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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.