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Finding the Fourth Proportional to 7,044.63, 9,720.75 and 4,061.44

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Solution

The fourth proportional to 7,044.63, 9,720.75 and 4,061.44 is: 5,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.63 : 9,720.75 = 4,061.44 : x
  2. Step 2: Convert to fraction form
    7,044.63/9,720.75 = 4,061.44/x
  3. Step 3: Cross multiply
    7,044.63x = 9,720.75 × 4,061.44
  4. Step 4: Simplify right side
    7,044.63x = 39,480,242.88
  5. Step 5: Solve for x
    x = 39,480,242.88/7,044.63
  6. Step 6: Final answer
    x = 5,604.30

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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.