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Finding the Fourth Proportional to 49,664.40, 74,496.60 and 41,353.80

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Solution

The fourth proportional to 49,664.40, 74,496.60 and 41,353.80 is: 62,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,664.40 : 74,496.60 = 41,353.80 : x
  2. Step 2: Convert to fraction form
    49,664.40/74,496.60 = 41,353.80/x
  3. Step 3: Cross multiply
    49,664.40x = 74,496.60 × 41,353.80
  4. Step 4: Simplify right side
    49,664.40x = 3,080,717,497.08
  5. Step 5: Solve for x
    x = 3,080,717,497.08/49,664.40
  6. Step 6: Final answer
    x = 62,030.70

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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.