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Finding the Fourth Proportional to 4,885.97, 7,330.32 and 1,966.32

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Solution

The fourth proportional to 4,885.97, 7,330.32 and 1,966.32 is: 2,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.97 : 7,330.32 = 1,966.32 : x
  2. Step 2: Convert to fraction form
    4,885.97/7,330.32 = 1,966.32/x
  3. Step 3: Cross multiply
    4,885.97x = 7,330.32 × 1,966.32
  4. Step 4: Simplify right side
    4,885.97x = 14,413,754.82
  5. Step 5: Solve for x
    x = 14,413,754.82/4,885.97
  6. Step 6: Final answer
    x = 2,950.03

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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.