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Finding the Fourth Proportional to 68,873.69, 95,038.39 and 38,662.34

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Solution

The fourth proportional to 68,873.69, 95,038.39 and 38,662.34 is: 53,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,873.69 : 95,038.39 = 38,662.34 : x
  2. Step 2: Convert to fraction form
    68,873.69/95,038.39 = 38,662.34/x
  3. Step 3: Cross multiply
    68,873.69x = 95,038.39 × 38,662.34
  4. Step 4: Simplify right side
    68,873.69x = 3,674,405,902.89
  5. Step 5: Solve for x
    x = 3,674,405,902.89/68,873.69
  6. Step 6: Final answer
    x = 53,349.92

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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.