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Finding the Fourth Proportional to 7,966.03, 11,953.85 and 2,775.55

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Solution

The fourth proportional to 7,966.03, 11,953.85 and 2,775.55 is: 4,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.03 : 11,953.85 = 2,775.55 : x
  2. Step 2: Convert to fraction form
    7,966.03/11,953.85 = 2,775.55/x
  3. Step 3: Cross multiply
    7,966.03x = 11,953.85 × 2,775.55
  4. Step 4: Simplify right side
    7,966.03x = 33,178,508.37
  5. Step 5: Solve for x
    x = 33,178,508.37/7,966.03
  6. Step 6: Final answer
    x = 4,165.00

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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.