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Finding the Fourth Proportional to 74,968.50, 112,365.27 and 41,672.64

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Solution

The fourth proportional to 74,968.50, 112,365.27 and 41,672.64 is: 62,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.50 : 112,365.27 = 41,672.64 : x
  2. Step 2: Convert to fraction form
    74,968.50/112,365.27 = 41,672.64/x
  3. Step 3: Cross multiply
    74,968.50x = 112,365.27 × 41,672.64
  4. Step 4: Simplify right side
    74,968.50x = 4,682,557,445.21
  5. Step 5: Solve for x
    x = 4,682,557,445.21/74,968.50
  6. Step 6: Final answer
    x = 62,460.33

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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.