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Finding the Fourth Proportional to 10,614.49, 15,975.02 and 7,995.56

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Solution

The fourth proportional to 10,614.49, 15,975.02 and 7,995.56 is: 12,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.49 : 15,975.02 = 7,995.56 : x
  2. Step 2: Convert to fraction form
    10,614.49/15,975.02 = 7,995.56/x
  3. Step 3: Cross multiply
    10,614.49x = 15,975.02 × 7,995.56
  4. Step 4: Simplify right side
    10,614.49x = 127,729,171.02
  5. Step 5: Solve for x
    x = 127,729,171.02/10,614.49
  6. Step 6: Final answer
    x = 12,033.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.