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Finding the Fourth Proportional to 7,029.36, 9,700.52 and 3,885.52

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Solution

The fourth proportional to 7,029.36, 9,700.52 and 3,885.52 is: 5,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.36 : 9,700.52 = 3,885.52 : x
  2. Step 2: Convert to fraction form
    7,029.36/9,700.52 = 3,885.52/x
  3. Step 3: Cross multiply
    7,029.36x = 9,700.52 × 3,885.52
  4. Step 4: Simplify right side
    7,029.36x = 37,691,564.47
  5. Step 5: Solve for x
    x = 37,691,564.47/7,029.36
  6. Step 6: Final answer
    x = 5,362.02

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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.