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Finding the Fourth Proportional to 12,594.96, 18,894.40 and 3,829.12

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Solution

The fourth proportional to 12,594.96, 18,894.40 and 3,829.12 is: 5,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.96 : 18,894.40 = 3,829.12 : x
  2. Step 2: Convert to fraction form
    12,594.96/18,894.40 = 3,829.12/x
  3. Step 3: Cross multiply
    12,594.96x = 18,894.40 × 3,829.12
  4. Step 4: Simplify right side
    12,594.96x = 72,348,924.93
  5. Step 5: Solve for x
    x = 72,348,924.93/12,594.96
  6. Step 6: Final answer
    x = 5,744.28

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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.