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Finding the Fourth Proportional to 8,362.76, 12,551.94 and 4,416.92

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Solution

The fourth proportional to 8,362.76, 12,551.94 and 4,416.92 is: 6,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.76 : 12,551.94 = 4,416.92 : x
  2. Step 2: Convert to fraction form
    8,362.76/12,551.94 = 4,416.92/x
  3. Step 3: Cross multiply
    8,362.76x = 12,551.94 × 4,416.92
  4. Step 4: Simplify right side
    8,362.76x = 55,440,914.82
  5. Step 5: Solve for x
    x = 55,440,914.82/8,362.76
  6. Step 6: Final answer
    x = 6,629.50

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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.