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Finding the Fourth Proportional to 8,792.39, 13,188.99 and 4,893.86

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Solution

The fourth proportional to 8,792.39, 13,188.99 and 4,893.86 is: 7,341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.39 : 13,188.99 = 4,893.86 : x
  2. Step 2: Convert to fraction form
    8,792.39/13,188.99 = 4,893.86/x
  3. Step 3: Cross multiply
    8,792.39x = 13,188.99 × 4,893.86
  4. Step 4: Simplify right side
    8,792.39x = 64,545,070.60
  5. Step 5: Solve for x
    x = 64,545,070.60/8,792.39
  6. Step 6: Final answer
    x = 7,341.02

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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.