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Finding the Fourth Proportional to 30,992.92, 46,484.04 and 8,801.12

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Solution

The fourth proportional to 30,992.92, 46,484.04 and 8,801.12 is: 13,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,992.92 : 46,484.04 = 8,801.12 : x
  2. Step 2: Convert to fraction form
    30,992.92/46,484.04 = 8,801.12/x
  3. Step 3: Cross multiply
    30,992.92x = 46,484.04 × 8,801.12
  4. Step 4: Simplify right side
    30,992.92x = 409,111,614.12
  5. Step 5: Solve for x
    x = 409,111,614.12/30,992.92
  6. Step 6: Final answer
    x = 13,200.16

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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.