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Finding the Fourth Proportional to 14,055.35, 19,396.35 and 7,681.97

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Solution

The fourth proportional to 14,055.35, 19,396.35 and 7,681.97 is: 10,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.35 : 19,396.35 = 7,681.97 : x
  2. Step 2: Convert to fraction form
    14,055.35/19,396.35 = 7,681.97/x
  3. Step 3: Cross multiply
    14,055.35x = 19,396.35 × 7,681.97
  4. Step 4: Simplify right side
    14,055.35x = 149,002,227.30
  5. Step 5: Solve for x
    x = 149,002,227.30/14,055.35
  6. Step 6: Final answer
    x = 10,601.11

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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.