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Finding the Fourth Proportional to 3,955.74, 5,933.60 and 3,715.16

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Solution

The fourth proportional to 3,955.74, 5,933.60 and 3,715.16 is: 5,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.74 : 5,933.60 = 3,715.16 : x
  2. Step 2: Convert to fraction form
    3,955.74/5,933.60 = 3,715.16/x
  3. Step 3: Cross multiply
    3,955.74x = 5,933.60 × 3,715.16
  4. Step 4: Simplify right side
    3,955.74x = 22,044,273.38
  5. Step 5: Solve for x
    x = 22,044,273.38/3,955.74
  6. Step 6: Final answer
    x = 5,572.73

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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.