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Finding the Fourth Proportional to 8,807.77, 13,211.84 and 3,610.45

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Solution

The fourth proportional to 8,807.77, 13,211.84 and 3,610.45 is: 5,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.77 : 13,211.84 = 3,610.45 : x
  2. Step 2: Convert to fraction form
    8,807.77/13,211.84 = 3,610.45/x
  3. Step 3: Cross multiply
    8,807.77x = 13,211.84 × 3,610.45
  4. Step 4: Simplify right side
    8,807.77x = 47,700,687.73
  5. Step 5: Solve for x
    x = 47,700,687.73/8,807.77
  6. Step 6: Final answer
    x = 5,415.75

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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.