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Finding the Fourth Proportional to 30,903.92, 46,367.52 and 14,271.92

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Solution

The fourth proportional to 30,903.92, 46,367.52 and 14,271.92 is: 21,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.92 : 46,367.52 = 14,271.92 : x
  2. Step 2: Convert to fraction form
    30,903.92/46,367.52 = 14,271.92/x
  3. Step 3: Cross multiply
    30,903.92x = 46,367.52 × 14,271.92
  4. Step 4: Simplify right side
    30,903.92x = 661,753,536.04
  5. Step 5: Solve for x
    x = 661,753,536.04/30,903.92
  6. Step 6: Final answer
    x = 21,413.26

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1.5x scale

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.