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Finding the Fourth Proportional to 12,132.46, 16,748.46 and 7,095.99

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Solution

The fourth proportional to 12,132.46, 16,748.46 and 7,095.99 is: 9,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.46 : 16,748.46 = 7,095.99 : x
  2. Step 2: Convert to fraction form
    12,132.46/16,748.46 = 7,095.99/x
  3. Step 3: Cross multiply
    12,132.46x = 16,748.46 × 7,095.99
  4. Step 4: Simplify right side
    12,132.46x = 118,846,904.68
  5. Step 5: Solve for x
    x = 118,846,904.68/12,132.46
  6. Step 6: Final answer
    x = 9,795.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.