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Finding the Fourth Proportional to 29,673.90, 40,969.10 and 26,481.74

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Solution

The fourth proportional to 29,673.90, 40,969.10 and 26,481.74 is: 36,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.90 : 40,969.10 = 26,481.74 : x
  2. Step 2: Convert to fraction form
    29,673.90/40,969.10 = 26,481.74/x
  3. Step 3: Cross multiply
    29,673.90x = 40,969.10 × 26,481.74
  4. Step 4: Simplify right side
    29,673.90x = 1,084,932,915.59
  5. Step 5: Solve for x
    x = 1,084,932,915.59/29,673.90
  6. Step 6: Final answer
    x = 36,561.86

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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.