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Finding the Fourth Proportional to 7,136.50, 9,851.02 and 5,373.22

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Solution

The fourth proportional to 7,136.50, 9,851.02 and 5,373.22 is: 7,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.50 : 9,851.02 = 5,373.22 : x
  2. Step 2: Convert to fraction form
    7,136.50/9,851.02 = 5,373.22/x
  3. Step 3: Cross multiply
    7,136.50x = 9,851.02 × 5,373.22
  4. Step 4: Simplify right side
    7,136.50x = 52,931,697.68
  5. Step 5: Solve for x
    x = 52,931,697.68/7,136.50
  6. Step 6: Final answer
    x = 7,417.04

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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.