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Finding the Fourth Proportional to 16,999.70, 25,499.55 and 15,104.30

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Solution

The fourth proportional to 16,999.70, 25,499.55 and 15,104.30 is: 22,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.70 : 25,499.55 = 15,104.30 : x
  2. Step 2: Convert to fraction form
    16,999.70/25,499.55 = 15,104.30/x
  3. Step 3: Cross multiply
    16,999.70x = 25,499.55 × 15,104.30
  4. Step 4: Simplify right side
    16,999.70x = 385,152,853.07
  5. Step 5: Solve for x
    x = 385,152,853.07/16,999.70
  6. Step 6: Final answer
    x = 22,656.45

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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.