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Finding the Fourth Proportional to 14,035.25, 19,368.65 and 7,747.63

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Solution

The fourth proportional to 14,035.25, 19,368.65 and 7,747.63 is: 10,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.25 : 19,368.65 = 7,747.63 : x
  2. Step 2: Convert to fraction form
    14,035.25/19,368.65 = 7,747.63/x
  3. Step 3: Cross multiply
    14,035.25x = 19,368.65 × 7,747.63
  4. Step 4: Simplify right side
    14,035.25x = 150,061,133.80
  5. Step 5: Solve for x
    x = 150,061,133.80/14,035.25
  6. Step 6: Final answer
    x = 10,691.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.