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Finding the Fourth Proportional to 14,898.66, 22,340.76 and 8,660.46

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Solution

The fourth proportional to 14,898.66, 22,340.76 and 8,660.46 is: 12,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,898.66 : 22,340.76 = 8,660.46 : x
  2. Step 2: Convert to fraction form
    14,898.66/22,340.76 = 8,660.46/x
  3. Step 3: Cross multiply
    14,898.66x = 22,340.76 × 8,660.46
  4. Step 4: Simplify right side
    14,898.66x = 193,481,258.35
  5. Step 5: Solve for x
    x = 193,481,258.35/14,898.66
  6. Step 6: Final answer
    x = 12,986.49

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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.