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Finding the Fourth Proportional to 62,763.56, 86,588.67 and 40,096.67

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Solution

The fourth proportional to 62,763.56, 86,588.67 and 40,096.67 is: 55,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,763.56 : 86,588.67 = 40,096.67 : x
  2. Step 2: Convert to fraction form
    62,763.56/86,588.67 = 40,096.67/x
  3. Step 3: Cross multiply
    62,763.56x = 86,588.67 × 40,096.67
  4. Step 4: Simplify right side
    62,763.56x = 3,471,917,126.25
  5. Step 5: Solve for x
    x = 3,471,917,126.25/62,763.56
  6. Step 6: Final answer
    x = 55,317.40

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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.