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Finding the Fourth Proportional to 8,671.76, 12,954.94 and 5,526.73

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Solution

The fourth proportional to 8,671.76, 12,954.94 and 5,526.73 is: 8,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.76 : 12,954.94 = 5,526.73 : x
  2. Step 2: Convert to fraction form
    8,671.76/12,954.94 = 5,526.73/x
  3. Step 3: Cross multiply
    8,671.76x = 12,954.94 × 5,526.73
  4. Step 4: Simplify right side
    8,671.76x = 71,598,457.92
  5. Step 5: Solve for x
    x = 71,598,457.92/8,671.76
  6. Step 6: Final answer
    x = 8,256.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.