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Finding the Fourth Proportional to 7,199.36, 10,798.72 and 4,123.52

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Solution

The fourth proportional to 7,199.36, 10,798.72 and 4,123.52 is: 6,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.36 : 10,798.72 = 4,123.52 : x
  2. Step 2: Convert to fraction form
    7,199.36/10,798.72 = 4,123.52/x
  3. Step 3: Cross multiply
    7,199.36x = 10,798.72 × 4,123.52
  4. Step 4: Simplify right side
    7,199.36x = 44,528,737.89
  5. Step 5: Solve for x
    x = 44,528,737.89/7,199.36
  6. Step 6: Final answer
    x = 6,185.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.