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Finding the Fourth Proportional to 8,476.87, 11,698.77 and 4,700.41

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Solution

The fourth proportional to 8,476.87, 11,698.77 and 4,700.41 is: 6,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.87 : 11,698.77 = 4,700.41 : x
  2. Step 2: Convert to fraction form
    8,476.87/11,698.77 = 4,700.41/x
  3. Step 3: Cross multiply
    8,476.87x = 11,698.77 × 4,700.41
  4. Step 4: Simplify right side
    8,476.87x = 54,989,015.50
  5. Step 5: Solve for x
    x = 54,989,015.50/8,476.87
  6. Step 6: Final answer
    x = 6,486.95

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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.