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Finding the Fourth Proportional to 4,572.96, 6,309.12 and 2,893.92

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Solution

The fourth proportional to 4,572.96, 6,309.12 and 2,893.92 is: 3,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.96 : 6,309.12 = 2,893.92 : x
  2. Step 2: Convert to fraction form
    4,572.96/6,309.12 = 2,893.92/x
  3. Step 3: Cross multiply
    4,572.96x = 6,309.12 × 2,893.92
  4. Step 4: Simplify right side
    4,572.96x = 18,258,088.55
  5. Step 5: Solve for x
    x = 18,258,088.55/4,572.96
  6. Step 6: Final answer
    x = 3,992.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.