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Finding the Fourth Proportional to 40,990.62, 56,448.15 and 35,610.62

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Solution

The fourth proportional to 40,990.62, 56,448.15 and 35,610.62 is: 49,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.62 : 56,448.15 = 35,610.62 : x
  2. Step 2: Convert to fraction form
    40,990.62/56,448.15 = 35,610.62/x
  3. Step 3: Cross multiply
    40,990.62x = 56,448.15 × 35,610.62
  4. Step 4: Simplify right side
    40,990.62x = 2,010,153,619.35
  5. Step 5: Solve for x
    x = 2,010,153,619.35/40,990.62
  6. Step 6: Final answer
    x = 49,039.36

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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.