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Finding the Fourth Proportional to 7,196.50, 9,931.20 and 4,052.74

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Solution

The fourth proportional to 7,196.50, 9,931.20 and 4,052.74 is: 5,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196.50 : 9,931.20 = 4,052.74 : x
  2. Step 2: Convert to fraction form
    7,196.50/9,931.20 = 4,052.74/x
  3. Step 3: Cross multiply
    7,196.50x = 9,931.20 × 4,052.74
  4. Step 4: Simplify right side
    7,196.50x = 40,248,571.49
  5. Step 5: Solve for x
    x = 40,248,571.49/7,196.50
  6. Step 6: Final answer
    x = 5,592.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.