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Finding the Fourth Proportional to 11,798.76, 17,682.41 and 4,395.77

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Solution

The fourth proportional to 11,798.76, 17,682.41 and 4,395.77 is: 6,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.76 : 17,682.41 = 4,395.77 : x
  2. Step 2: Convert to fraction form
    11,798.76/17,682.41 = 4,395.77/x
  3. Step 3: Cross multiply
    11,798.76x = 17,682.41 × 4,395.77
  4. Step 4: Simplify right side
    11,798.76x = 77,727,807.41
  5. Step 5: Solve for x
    x = 77,727,807.41/11,798.76
  6. Step 6: Final answer
    x = 6,587.79

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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.