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Finding the Fourth Proportional to 3,330.99, 4,996.35 and 1,575.45

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Solution

The fourth proportional to 3,330.99, 4,996.35 and 1,575.45 is: 2,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.99 : 4,996.35 = 1,575.45 : x
  2. Step 2: Convert to fraction form
    3,330.99/4,996.35 = 1,575.45/x
  3. Step 3: Cross multiply
    3,330.99x = 4,996.35 × 1,575.45
  4. Step 4: Simplify right side
    3,330.99x = 7,871,499.61
  5. Step 5: Solve for x
    x = 7,871,499.61/3,330.99
  6. Step 6: Final answer
    x = 2,363.11

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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.