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Finding the Fourth Proportional to 7,235.96, 9,985.46 and 4,092.04

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Solution

The fourth proportional to 7,235.96, 9,985.46 and 4,092.04 is: 5,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.96 : 9,985.46 = 4,092.04 : x
  2. Step 2: Convert to fraction form
    7,235.96/9,985.46 = 4,092.04/x
  3. Step 3: Cross multiply
    7,235.96x = 9,985.46 × 4,092.04
  4. Step 4: Simplify right side
    7,235.96x = 40,860,901.74
  5. Step 5: Solve for x
    x = 40,860,901.74/7,235.96
  6. Step 6: Final answer
    x = 5,646.92

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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.