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Finding the Fourth Proportional to 40,662.26, 61,004.71 and 16,980.98

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Solution

The fourth proportional to 40,662.26, 61,004.71 and 16,980.98 is: 25,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,662.26 : 61,004.71 = 16,980.98 : x
  2. Step 2: Convert to fraction form
    40,662.26/61,004.71 = 16,980.98/x
  3. Step 3: Cross multiply
    40,662.26x = 61,004.71 × 16,980.98
  4. Step 4: Simplify right side
    40,662.26x = 1,035,919,760.42
  5. Step 5: Solve for x
    x = 1,035,919,760.42/40,662.26
  6. Step 6: Final answer
    x = 25,476.20

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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.