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Finding the Fourth Proportional to 16,672.53, 25,011.53 and 7,902.66

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Solution

The fourth proportional to 16,672.53, 25,011.53 and 7,902.66 is: 11,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.53 : 25,011.53 = 7,902.66 : x
  2. Step 2: Convert to fraction form
    16,672.53/25,011.53 = 7,902.66/x
  3. Step 3: Cross multiply
    16,672.53x = 25,011.53 × 7,902.66
  4. Step 4: Simplify right side
    16,672.53x = 197,657,746.04
  5. Step 5: Solve for x
    x = 197,657,746.04/16,672.53
  6. Step 6: Final answer
    x = 11,855.29

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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.