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Finding the Fourth Proportional to 30,623.59, 45,892.59 and 16,553.28

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Solution

The fourth proportional to 30,623.59, 45,892.59 and 16,553.28 is: 24,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.59 : 45,892.59 = 16,553.28 : x
  2. Step 2: Convert to fraction form
    30,623.59/45,892.59 = 16,553.28/x
  3. Step 3: Cross multiply
    30,623.59x = 45,892.59 × 16,553.28
  4. Step 4: Simplify right side
    30,623.59x = 759,672,892.20
  5. Step 5: Solve for x
    x = 759,672,892.20/30,623.59
  6. Step 6: Final answer
    x = 24,806.79

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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.