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Finding the Fourth Proportional to 8,792.89, 13,189.74 and 4,894.36

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Solution

The fourth proportional to 8,792.89, 13,189.74 and 4,894.36 is: 7,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.89 : 13,189.74 = 4,894.36 : x
  2. Step 2: Convert to fraction form
    8,792.89/13,189.74 = 4,894.36/x
  3. Step 3: Cross multiply
    8,792.89x = 13,189.74 × 4,894.36
  4. Step 4: Simplify right side
    8,792.89x = 64,555,335.87
  5. Step 5: Solve for x
    x = 64,555,335.87/8,792.89
  6. Step 6: Final answer
    x = 7,341.77

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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.