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Finding the Fourth Proportional to 74,999.39, 103,494.93 and 41,001.56

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Solution

The fourth proportional to 74,999.39, 103,494.93 and 41,001.56 is: 56,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,999.39 : 103,494.93 = 41,001.56 : x
  2. Step 2: Convert to fraction form
    74,999.39/103,494.93 = 41,001.56/x
  3. Step 3: Cross multiply
    74,999.39x = 103,494.93 × 41,001.56
  4. Step 4: Simplify right side
    74,999.39x = 4,243,453,582.09
  5. Step 5: Solve for x
    x = 4,243,453,582.09/74,999.39
  6. Step 6: Final answer
    x = 56,579.84

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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.