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Finding the Fourth Proportional to 29,427, 40,609.67 and 16,851.75

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Solution

The fourth proportional to 29,427, 40,609.67 and 16,851.75 is: 23,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427 : 40,609.67 = 16,851.75 : x
  2. Step 2: Convert to fraction form
    29,427/40,609.67 = 16,851.75/x
  3. Step 3: Cross multiply
    29,427x = 40,609.67 × 16,851.75
  4. Step 4: Simplify right side
    29,427x = 684,343,922.16
  5. Step 5: Solve for x
    x = 684,343,922.16/29,427
  6. Step 6: Final answer
    x = 23,255.65

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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.