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Finding the Fourth Proportional to 17,807.96, 26,713.48 and 4,660.32

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Solution

The fourth proportional to 17,807.96, 26,713.48 and 4,660.32 is: 6,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,807.96 : 26,713.48 = 4,660.32 : x
  2. Step 2: Convert to fraction form
    17,807.96/26,713.48 = 4,660.32/x
  3. Step 3: Cross multiply
    17,807.96x = 26,713.48 × 4,660.32
  4. Step 4: Simplify right side
    17,807.96x = 124,493,365.11
  5. Step 5: Solve for x
    x = 124,493,365.11/17,807.96
  6. Step 6: Final answer
    x = 6,990.88

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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.