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Finding the Fourth Proportional to 44,802.10, 67,093.80 and 21,401.20

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Solution

The fourth proportional to 44,802.10, 67,093.80 and 21,401.20 is: 32,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,802.10 : 67,093.80 = 21,401.20 : x
  2. Step 2: Convert to fraction form
    44,802.10/67,093.80 = 21,401.20/x
  3. Step 3: Cross multiply
    44,802.10x = 67,093.80 × 21,401.20
  4. Step 4: Simplify right side
    44,802.10x = 1,435,887,832.56
  5. Step 5: Solve for x
    x = 1,435,887,832.56/44,802.10
  6. Step 6: Final answer
    x = 32,049.57

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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.