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Finding the Fourth Proportional to 8,767.09, 12,098.90 and 4,788.37

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Solution

The fourth proportional to 8,767.09, 12,098.90 and 4,788.37 is: 6,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.09 : 12,098.90 = 4,788.37 : x
  2. Step 2: Convert to fraction form
    8,767.09/12,098.90 = 4,788.37/x
  3. Step 3: Cross multiply
    8,767.09x = 12,098.90 × 4,788.37
  4. Step 4: Simplify right side
    8,767.09x = 57,934,009.79
  5. Step 5: Solve for x
    x = 57,934,009.79/8,767.09
  6. Step 6: Final answer
    x = 6,608.12

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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.