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Finding the Fourth Proportional to 10,484.94, 15,724.04 and 3,463.64

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Solution

The fourth proportional to 10,484.94, 15,724.04 and 3,463.64 is: 5,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.94 : 15,724.04 = 3,463.64 : x
  2. Step 2: Convert to fraction form
    10,484.94/15,724.04 = 3,463.64/x
  3. Step 3: Cross multiply
    10,484.94x = 15,724.04 × 3,463.64
  4. Step 4: Simplify right side
    10,484.94x = 54,462,413.91
  5. Step 5: Solve for x
    x = 54,462,413.91/10,484.94
  6. Step 6: Final answer
    x = 5,194.35

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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.