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Finding the Fourth Proportional to 44,771.40, 67,080.30 and 21,347.40

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Solution

The fourth proportional to 44,771.40, 67,080.30 and 21,347.40 is: 31,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,771.40 : 67,080.30 = 21,347.40 : x
  2. Step 2: Convert to fraction form
    44,771.40/67,080.30 = 21,347.40/x
  3. Step 3: Cross multiply
    44,771.40x = 67,080.30 × 21,347.40
  4. Step 4: Simplify right side
    44,771.40x = 1,431,989,996.22
  5. Step 5: Solve for x
    x = 1,431,989,996.22/44,771.40
  6. Step 6: Final answer
    x = 31,984.48

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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.