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Finding the Fourth Proportional to 17,808.66, 26,713.62 and 13,656.24

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Solution

The fourth proportional to 17,808.66, 26,713.62 and 13,656.24 is: 20,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.66 : 26,713.62 = 13,656.24 : x
  2. Step 2: Convert to fraction form
    17,808.66/26,713.62 = 13,656.24/x
  3. Step 3: Cross multiply
    17,808.66x = 26,713.62 × 13,656.24
  4. Step 4: Simplify right side
    17,808.66x = 364,807,605.99
  5. Step 5: Solve for x
    x = 364,807,605.99/17,808.66
  6. Step 6: Final answer
    x = 20,484.84

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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.