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Finding the Fourth Proportional to 14,660.80, 22,012.80 and 10,297.60

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Solution

The fourth proportional to 14,660.80, 22,012.80 and 10,297.60 is: 15,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.80 : 22,012.80 = 10,297.60 : x
  2. Step 2: Convert to fraction form
    14,660.80/22,012.80 = 10,297.60/x
  3. Step 3: Cross multiply
    14,660.80x = 22,012.80 × 10,297.60
  4. Step 4: Simplify right side
    14,660.80x = 226,679,009.28
  5. Step 5: Solve for x
    x = 226,679,009.28/14,660.80
  6. Step 6: Final answer
    x = 15,461.57

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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.