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Finding the Fourth Proportional to 16,773.20, 23,148.04 and 9,701.20

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Solution

The fourth proportional to 16,773.20, 23,148.04 and 9,701.20 is: 13,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.20 : 23,148.04 = 9,701.20 : x
  2. Step 2: Convert to fraction form
    16,773.20/23,148.04 = 9,701.20/x
  3. Step 3: Cross multiply
    16,773.20x = 23,148.04 × 9,701.20
  4. Step 4: Simplify right side
    16,773.20x = 224,563,765.65
  5. Step 5: Solve for x
    x = 224,563,765.65/16,773.20
  6. Step 6: Final answer
    x = 13,388.25

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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.