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Finding the Fourth Proportional to 17,885.93, 26,829.46 and 8,526.97

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Solution

The fourth proportional to 17,885.93, 26,829.46 and 8,526.97 is: 12,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.93 : 26,829.46 = 8,526.97 : x
  2. Step 2: Convert to fraction form
    17,885.93/26,829.46 = 8,526.97/x
  3. Step 3: Cross multiply
    17,885.93x = 26,829.46 × 8,526.97
  4. Step 4: Simplify right side
    17,885.93x = 228,774,000.54
  5. Step 5: Solve for x
    x = 228,774,000.54/17,885.93
  6. Step 6: Final answer
    x = 12,790.72

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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.