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Finding the Fourth Proportional to 12,581.73, 18,852.08 and 7,652.88

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Solution

The fourth proportional to 12,581.73, 18,852.08 and 7,652.88 is: 11,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.73 : 18,852.08 = 7,652.88 : x
  2. Step 2: Convert to fraction form
    12,581.73/18,852.08 = 7,652.88/x
  3. Step 3: Cross multiply
    12,581.73x = 18,852.08 × 7,652.88
  4. Step 4: Simplify right side
    12,581.73x = 144,272,667.73
  5. Step 5: Solve for x
    x = 144,272,667.73/12,581.73
  6. Step 6: Final answer
    x = 11,466.84

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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.