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Finding the Fourth Proportional to 8,873.89, 13,287.75 and 8,610.94

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Solution

The fourth proportional to 8,873.89, 13,287.75 and 8,610.94 is: 12,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.89 : 13,287.75 = 8,610.94 : x
  2. Step 2: Convert to fraction form
    8,873.89/13,287.75 = 8,610.94/x
  3. Step 3: Cross multiply
    8,873.89x = 13,287.75 × 8,610.94
  4. Step 4: Simplify right side
    8,873.89x = 114,420,002.30
  5. Step 5: Solve for x
    x = 114,420,002.30/8,873.89
  6. Step 6: Final answer
    x = 12,894.01

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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.