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Finding the Fourth Proportional to 16,693.62, 25,047.44 and 7,328.80

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Solution

The fourth proportional to 16,693.62, 25,047.44 and 7,328.80 is: 10,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.62 : 25,047.44 = 7,328.80 : x
  2. Step 2: Convert to fraction form
    16,693.62/25,047.44 = 7,328.80/x
  3. Step 3: Cross multiply
    16,693.62x = 25,047.44 × 7,328.80
  4. Step 4: Simplify right side
    16,693.62x = 183,567,678.27
  5. Step 5: Solve for x
    x = 183,567,678.27/16,693.62
  6. Step 6: Final answer
    x = 10,996.28

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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.