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Finding the Fourth Proportional to 34,885.80, 52,313.04 and 11,188.98

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Solution

The fourth proportional to 34,885.80, 52,313.04 and 11,188.98 is: 16,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.80 : 52,313.04 = 11,188.98 : x
  2. Step 2: Convert to fraction form
    34,885.80/52,313.04 = 11,188.98/x
  3. Step 3: Cross multiply
    34,885.80x = 52,313.04 × 11,188.98
  4. Step 4: Simplify right side
    34,885.80x = 585,329,558.30
  5. Step 5: Solve for x
    x = 585,329,558.30/34,885.80
  6. Step 6: Final answer
    x = 16,778.45

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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.