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Finding the Fourth Proportional to 8,776.59, 12,111.71 and 4,797.74

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Solution

The fourth proportional to 8,776.59, 12,111.71 and 4,797.74 is: 6,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.59 : 12,111.71 = 4,797.74 : x
  2. Step 2: Convert to fraction form
    8,776.59/12,111.71 = 4,797.74/x
  3. Step 3: Cross multiply
    8,776.59x = 12,111.71 × 4,797.74
  4. Step 4: Simplify right side
    8,776.59x = 58,108,750.99
  5. Step 5: Solve for x
    x = 58,108,750.99/8,776.59
  6. Step 6: Final answer
    x = 6,620.88

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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.