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Finding the Fourth Proportional to 16,690.23, 25,035.23 and 5,003.45

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Solution

The fourth proportional to 16,690.23, 25,035.23 and 5,003.45 is: 7,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.23 : 25,035.23 = 5,003.45 : x
  2. Step 2: Convert to fraction form
    16,690.23/25,035.23 = 5,003.45/x
  3. Step 3: Cross multiply
    16,690.23x = 25,035.23 × 5,003.45
  4. Step 4: Simplify right side
    16,690.23x = 125,262,404.20
  5. Step 5: Solve for x
    x = 125,262,404.20/16,690.23
  6. Step 6: Final answer
    x = 7,505.13

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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.