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Finding the Fourth Proportional to 74,685.51, 103,033.62 and 44,453.88

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Solution

The fourth proportional to 74,685.51, 103,033.62 and 44,453.88 is: 61,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,685.51 : 103,033.62 = 44,453.88 : x
  2. Step 2: Convert to fraction form
    74,685.51/103,033.62 = 44,453.88/x
  3. Step 3: Cross multiply
    74,685.51x = 103,033.62 × 44,453.88
  4. Step 4: Simplify right side
    74,685.51x = 4,580,244,179.45
  5. Step 5: Solve for x
    x = 4,580,244,179.45/74,685.51
  6. Step 6: Final answer
    x = 61,327.08

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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.