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Finding the Fourth Proportional to 8,767.66, 12,099.63 and 4,788.84

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Solution

The fourth proportional to 8,767.66, 12,099.63 and 4,788.84 is: 6,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.66 : 12,099.63 = 4,788.84 : x
  2. Step 2: Convert to fraction form
    8,767.66/12,099.63 = 4,788.84/x
  3. Step 3: Cross multiply
    8,767.66x = 12,099.63 × 4,788.84
  4. Step 4: Simplify right side
    8,767.66x = 57,943,210.09
  5. Step 5: Solve for x
    x = 57,943,210.09/8,767.66
  6. Step 6: Final answer
    x = 6,608.74

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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.