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Finding the Fourth Proportional to 9,250.55, 13,881.98 and 8,635.46

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Solution

The fourth proportional to 9,250.55, 13,881.98 and 8,635.46 is: 12,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.55 : 13,881.98 = 8,635.46 : x
  2. Step 2: Convert to fraction form
    9,250.55/13,881.98 = 8,635.46/x
  3. Step 3: Cross multiply
    9,250.55x = 13,881.98 × 8,635.46
  4. Step 4: Simplify right side
    9,250.55x = 119,877,313.28
  5. Step 5: Solve for x
    x = 119,877,313.28/9,250.55
  6. Step 6: Final answer
    x = 12,958.93

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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.