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Finding the Fourth Proportional to 9,350.55, 12,908.39 and 7,330.41

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Solution

The fourth proportional to 9,350.55, 12,908.39 and 7,330.41 is: 10,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.55 : 12,908.39 = 7,330.41 : x
  2. Step 2: Convert to fraction form
    9,350.55/12,908.39 = 7,330.41/x
  3. Step 3: Cross multiply
    9,350.55x = 12,908.39 × 7,330.41
  4. Step 4: Simplify right side
    9,350.55x = 94,623,754.49
  5. Step 5: Solve for x
    x = 94,623,754.49/9,350.55
  6. Step 6: Final answer
    x = 10,119.59

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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.