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Finding the Fourth Proportional to 7,044.36, 9,720.39 and 4,060.16

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Solution

The fourth proportional to 7,044.36, 9,720.39 and 4,060.16 is: 5,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.36 : 9,720.39 = 4,060.16 : x
  2. Step 2: Convert to fraction form
    7,044.36/9,720.39 = 4,060.16/x
  3. Step 3: Cross multiply
    7,044.36x = 9,720.39 × 4,060.16
  4. Step 4: Simplify right side
    7,044.36x = 39,466,338.66
  5. Step 5: Solve for x
    x = 39,466,338.66/7,044.36
  6. Step 6: Final answer
    x = 5,602.54

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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.