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Finding the Fourth Proportional to 7,553.68, 11,330.13 and 3,602.05

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Solution

The fourth proportional to 7,553.68, 11,330.13 and 3,602.05 is: 5,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.68 : 11,330.13 = 3,602.05 : x
  2. Step 2: Convert to fraction form
    7,553.68/11,330.13 = 3,602.05/x
  3. Step 3: Cross multiply
    7,553.68x = 11,330.13 × 3,602.05
  4. Step 4: Simplify right side
    7,553.68x = 40,811,694.77
  5. Step 5: Solve for x
    x = 40,811,694.77/7,553.68
  6. Step 6: Final answer
    x = 5,402.89

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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.