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Finding the Fourth Proportional to 17,904.41, 26,856.62 and 6,808.53

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Solution

The fourth proportional to 17,904.41, 26,856.62 and 6,808.53 is: 10,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.41 : 26,856.62 = 6,808.53 : x
  2. Step 2: Convert to fraction form
    17,904.41/26,856.62 = 6,808.53/x
  3. Step 3: Cross multiply
    17,904.41x = 26,856.62 × 6,808.53
  4. Step 4: Simplify right side
    17,904.41x = 182,854,068.93
  5. Step 5: Solve for x
    x = 182,854,068.93/17,904.41
  6. Step 6: Final answer
    x = 10,212.80

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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.