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Finding the Fourth Proportional to 41,362.60, 61,970.70 and 39,992.20

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Solution

The fourth proportional to 41,362.60, 61,970.70 and 39,992.20 is: 59,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,362.60 : 61,970.70 = 39,992.20 : x
  2. Step 2: Convert to fraction form
    41,362.60/61,970.70 = 39,992.20/x
  3. Step 3: Cross multiply
    41,362.60x = 61,970.70 × 39,992.20
  4. Step 4: Simplify right side
    41,362.60x = 2,478,344,628.54
  5. Step 5: Solve for x
    x = 2,478,344,628.54/41,362.60
  6. Step 6: Final answer
    x = 59,917.53

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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.